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Revision as of 05:27, 9 September 2018
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Elements/Elements II-1 | a·∑bᵢ=∑(a·bᵢ) | ספר_המלכים#Sjh3 | For every two numbers, such that one of them is divided into as many parts as there are, [the product of] the number that is not divided by the divided number is equal to the sum of its products by each part of the divided number.
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Elements/Elements II-1 | definition | ספר_המספר_/_אליהו_מזרחי#8mWV | It was already clarified in Euclid's Book of Elements, in the [second] section, in the first proposition that for any two straight lines, one of which is cut into segments as many as they may be, the sum of the surfaces generated from the whole straight line and each of the segments of the other straight line equals the surface generated from the whole straight line and the whole divided line.
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Elements/Elements II-1 | a·∑bᵢ=∑(a·bᵢ) | ספר_מעשה_חושב#4J1r | When there are two given numbers and one of them is divided into parts, as many as they may be, the product of the first number by the second is equal to the [sum of] the products of each of the parts of the first number by the second.
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Elements/Elements II-1 | a·∑bᵢ=∑(a·bᵢ) | לקוטים_מספר_פראלוקא#t9Uk | If you have two numbers and you divide one of the two numbers, then you multiply each part by the second number, the total sum is the same as the product of the first number by the second.
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Elements/Elements II-1 | 10,2+3+5+2 | לקוטים_מספר_פראלוקא#1Q9z | Example: the two numbers are 10 and 12 and we divide 12 to 2, 3, 5, 2, so their sum is 12. המשל הנה ב' מספרים והם י' וי"ב ונחלק י"ב על ב' ועל ג' ועל ה' ועל ב' והנה כלם י"ב |
Elements/Elements II-1 | ספר_החשבון_והמדות#fGS3 | I say: if you divide any number into parts as you wish, [the sum of] the products of each of the parts by the whole number is equal to the square of the whole number.
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Elements/Elements II-1 | 4,2+3+5 | ספר_המספר_/_אליהו_מזרחי#1rE2 | Example: if we divide the 10 into three parts randomly, one part of them is 2, the second is 3 and the third is 5. משל זה אם נחלק הי' לג' חלקים איך מה שקרה והיה החלק האחד מהם מספר ב' והשני מספר ג' והשלישי מספר ה' |
Elements/Elements II-1 | a·∑bᵢ=∑(a·bᵢ) | ספר_המספר_/_אליהו_מזרחי#me96 | For every number divided into many parts randomly, the number that is generated from the product of a number by the whole given divided number is equal to the number generated from the sum of the products of that number by each part of the divided number.
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Elements/Elements II-10 | 10,2 | ספר_החשבון_והמדות#zIUc | Example: we have the number ten, we divide it into two halves, which are 5, and add to it another number 2, so it bacomes 12. דמיון יש לנו מספר מניינו עשרה וחלקנוהו לשני חצאים על ה' והוספנו עליו 33rמספר אחר ב' ונהיה י"ב |
Elements/Elements II-10 | (a+b)²+b²=2·((½a)²+((½a)+b)²) | לקוטים_מספר_פראלוקא#ijBn | If you divide any number into two equal parts, then add another number to the divided number, square it and add to it the square of the [number] you added, it is twice [the sum of] the square of the additional [number] plus half [the number] with the square of half [the number].
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Elements/Elements II-10 | (a+b)²+b²=2·((½a)²+((½a)+b)²) | ספר_המלכים#CVU6 | For any even number divided into half and another number is added to it, [the sum of] twice the product of half the number by itself and twice the product of half the number plus the additional [number] by itself is equal to [the sum of] the product of the [whole] number plus the additional [number] by itself and [the product] of the additional [number] by itself.
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Elements/Elements II-10 | 12,8 | לקוטים_מספר_פראלוקא#wuja | Example: we have 12, you divide it to 6 and 6, then add to 12 another number. Suppose that we add 8 to it. המשל יש לנו מספר י"ב ותחלקהו על ו'ו' ותוסיף על י"ב 148vמספר אחר ונניח כי נוסיף בם ח' |
Elements/Elements II-10 | 10,2 | ספר_המספר_/_אליהו_מזרחי#0WFg | Example: we have the number ten, we divide it into two halves and add to it the number 2, so it bacomes 12. דמיון יש לנו מספר עשרה וחלקנוהו לשני חציים והוספנו עליו מספר ב' ונהיה י"ב |
Elements/Elements II-10 | (a+b)²+b²=2·((½a)²+((½a)+b)²) | ספר_החשבון_והמדות#w9pW | If you divide any number into half and add to it another number, [the sum of] the square of the whole number plus the additional [number] and the square of the additional [number] is equal to twice [the sum of] the square of half the number and the square of half the number plus the additional [number] together.
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Elements/Elements II-10 | (a+b)²+b²=2·((½a)²+((½a)+b)²) | ספר_המספר_/_אליהו_מזרחי#FJSe | Any number that you divide into half and add to it another number, [the sum of] the square of the [whole] number plus the additional [number] and the square of the additional [number] is equal to twice [the sum of] the square of half the number and the square of half the number plus the additional [number] when they are summed together.
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Elements/Elements II-2 | 10,7+3 | ספר_החשבון_והמדות#KF6o | Example: the number ten; we divide it into 7 and 3. דמיון המספר עשרה וחלקנוהו על ז' וג' |
Elements/Elements II-2 | ∑ₖ((∑ᵢaᵢ)·aₖ)=(∑ᵢaᵢ)² | קצת_מענייני_חכמת_המספר#4EHv | If you divide any number into parts as you wish, [the sum of] the products of each of the parts by the whole number is equal to the square of the whole number.
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Elements/Elements II-2 | 12,3+4+5 | לקוטים_מספר_פראלוקא#Gj4L | Example: we wish to divide 12 into three parts 5, 3, 4. המשל נרצה לעשות מי"ב ג' חלקים ה' ג' ד' |
Elements/Elements II-2 | 12,3+4+5 | ספר_החשבון_והמדות#pdf0 | Example: the number 12; we divide it into three, four and five. דמיון המספר י"ב וחלקנוהו על שלשה וארבעה וחמשה |
Elements/Elements II-2 | ∑ₖ((∑ᵢaᵢ)·aₖ)=(∑ᵢaᵢ)² | לקוטים_מספר_פראלוקא#nMHc | If you have a number and you divide iy into parts as you wish, if you multiply each part by the divided number, then sum all the [products] they are equal to the divided number multiplied by itself.
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Elements/Elements II-2 | 12,3+4+5 | ספר_המספר_/_אליהו_מזרחי#Nxlm | Example: the number 12, we divide it to three, four and five. דמיון זה המספר י"ב וחלקנוהו על שלשה וארבעה וחמשה |
Elements/Elements II-2 | ∑ₖ((∑ᵢaᵢ)·aₖ)=(∑ᵢaᵢ)² | ספר_החשבון_והמדות#DxvK | For every number that you divide randomly into two parts, the sum of the products of each of the two parts by the whole number is equal to the square of the whole number.
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Elements/Elements II-2 | ∑ₖ((∑ᵢaᵢ)·aₖ)=(∑ᵢaᵢ)² | ספר_המספר_/_אליהו_מזרחי#mQeQ | Any number that you divide into parts as you wish, [the sum of] the products of each of the parts by the whole number is equal to the square of the whole number.
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Elements/Elements II-3 | (a+b)·b=(a·b)+b² | קצת_מענייני_חכמת_המספר#PVyt | For any number divided into two parts as you wish, the product of the whole number by any of its two parts is equal to the product of the one part by the other plus the square of the part by which you multiplied the whole number.
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Elements/Elements II-3 | (a+b)·b=(a·b)+b² | לקוטים_מספר_פראלוקא#fYtF | If you divide any number into two parts, then multiply any of the two parts by the divided number and keep the product, so will be the result if you multiply the same part by itself, then add to it the product of the one part by the other.
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Elements/Elements II-3 | (a+b)·b=(a·b)+b² | ספר_מעשה_חושב#BvNU | When a number is divided into two parts, the product of the whole number by one of its parts is equal to the product of the one part by the other plus the square of the mentioned part.
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Elements/Elements II-3 | (a+b)·b=(a·b)+b² | ספר_המספר_/_אליהו_מזרחי#oIDS | For any number that you divide into two parts randomly, the product of the whole number by any of its two parts is equal to the product of the one part by the other plus the square of the part by which you have multiplied the whole number.
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Elements/Elements II-3 | 10,3+7 | ספר_החשבון_והמדות#zmnp | Example: the number ten, we divide it into two parts - three and seven. דמיון המספר עשרה חלקנוהו לשני חלקים על שלשה ושבעה |
Elements/Elements II-3 | (a+b)·b=(a·b)+b² | ספר_החשבון_והמדות#Eu5r | For any number divided into two parts as you wish, the product of the whole number by any of its two parts is equal to the product of the one part by the other plus the square of the part by which you multiplied the whole number.
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Elements/Elements II-3 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#CANO | Example: the number ten, we divide into two parts - three and seven. דמיון המספר עשרה חלקנוהו לשני חלקים על שלשה ושבעה |
Elements/Elements II-3 | 12,4+8 | לקוטים_מספר_פראלוקא#XIpE | Example: we have 12 and you divide it to 8 and 4. המשל אם יש לנו י"ב ותחלק אותו ח' ד' |
Elements/Elements II-3 | 10,3+7 | קצת_מענייני_חכמת_המספר#MLKI | Example: the number 10 is divided into two parts - 7 and 3. כמשל מספר הי' נחלק לב' חלקים לז' ולג' |
Elements/Elements II-4 | 12,4+8 | לקוטים_מספר_פראלוקא#HYCk | Example: we divide 12 to 4 and 8. המשל הנה נחלק 147vמספר י"ב על ד' ועל ח' |
Elements/Elements II-4 | 10,3+7 | ספר_החשבון_והמדות#hh0J | Example: the number ten; we divide it into three and seven. דמיון המספר עשרה חלקנוה על שלשה ושבעה |
Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | ספר_המספר_/_אליהו_מזרחי#oC2j | For any number that you divide into two parts randomly, the square of the whole number is equal to [the sum of] the squares of the two parts and twice the product of the one part by the other.
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Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | ספר_המלכים#wUeW | For any number divided into [two] parts, whichever they may be, the product of the whole number by itself is equal to the sum of the products of each of the two parts by itself and double the product of one of the two parts by the other.
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Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | ספר_המספר_/_אליהו_מזרחי#TApz | For any number divided into two parts randomly, the square of the whole number is equal to [the sum of] the squares of the two parts and twice the product of the one part by the other.
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Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | קצת_מענייני_חכמת_המספר#v7Dx | For any number divided into two parts as you wish, the square of the whole number is equal to [the sum of] the squares of the two parts and twice the product of the one part by the other.
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Elements/Elements II-4 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#Ca24 | Example: the number ten, we divide it to three and seven. דמיון המספר עשרה חלקנוהו על שלשה ושבעה |
Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | ספר_החשבון_והמדות#q5ib | For any number divided into two parts as you wish, the square of the whole number is equal to [the sum of] the squares of the two parts and twice the product of the one part by the other.
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Elements/Elements II-4 | definition | ספר_האלזיברא#JPnC | When a straight line is cut randomly into two segments, the square on the whole line equals the sum of the two squares that are generated from the two segments plus twice the rectangle encompassed by the two segments.
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Elements/Elements II-4 | reference | ספר_האלזיברא#Eeue | It was already clarified in [[ספר_היסודות_לאקלידס#Elements_II_4|'''Euclid, Elements, Book II, proposition 4''']] that: וכבר נתבאר ב'''תמונת הרביעית מן המאמר השני לאקלידס''' |
Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | לקוטים_מספר_פראלוקא#lAxq | If you have a number and you divide it into two unequal parts, I say that if you sum the [parts] that are multiplied by themselves, then you multiply the smaller [part] by the greater, multiply the product by 2 and sum it with the reserved, the result is equal to the [original] number multiplied by itself.
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Elements/Elements II-4 | 10,3+7 | קצת_מענייני_חכמת_המספר#OusC | Example: the number 10 is divided into 7 and 3. כמשל הי' נחלק לז' ולג' |
Elements/Elements II-4 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#6oZu | Example: if we divide the 10 into two parts randomly, one part of them is 3 and the other 7. משל זה אם נחלק הי' לשנים חלקים איך מה שקרה והיה החלק האחד מהם ג' והאחר ז' |
Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | לקוטים_מספר_פראלוקא#lb40 | If you divide any number into two and multiply each part by itself, you multiply also one [part] by the other and multiply [the product] by 2, then you sum all, the result is equal to the divided number multiplied by itself.
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Elements/Elements II-4 | (a+b)²=a²+b²+2(a·b) | ספר_מעשה_חושב#lUMx | When a number is added to a number, the square of the two numbers that are summed together is equal to [the sum of] the squares of these numbers and twice the product of the one by the other.
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Elements/Elements II-5 | 10,3+7 | ספר_החשבון_והמדות#zKhJ | Example: the number ten, we divide it to five and five, which are equal parts, then we divide it also to 7 and 3, which are unequal parts. דמיון המספר עשרה חלקנו לחמשה וחמשה שהם חלקים שוים גם חלקנוהו לז' וג' שהם חלקים בלתי שוים |
Elements/Elements II-5 | 12,4+8 | לקוטים_מספר_פראלוקא#pZPT | Example: we divide 12 into two equal parts 6 and 6, and into two unequal parts 4 and 8. המשל נחלק מספר י"ב לב' חלקים שוים ו'ו' ולב' חלקים בלתי שוים ד' וח' |
Elements/Elements II-5 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#zYJb | Example: the number ten, we divide it to five and five, which are equal parts, then we divide it also to seven and three, which are unequal parts. דמיון המספר עשרה חלקנוהו לחמשה וחמשה שהם חלקים שוים גם חלקנוהו לשבעה ושלשה שהם חלקים בלתי שוים |
Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | קצת_מענייני_חכמת_המספר#9QNa | For any number divided into two equal parts and into two unequal parts, [the sum of] the product of one of the unequal parts by the other and the square of the difference between the two parts, i.e. between the equal part [= the half of the whole number] and the unequal [part] is equal to the square of half the [whole] number.
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Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | ספר_החשבון_והמדות#43lj | For any number divided into two equal parts and into two unequal parts, [the sum of] the product of one of the unequal parts by the other and the square of the difference between the two parts, i.e. between the equal part [= the half of the whole number] and the unequal [part] is equal to the square of half the [whole] number.
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Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | ספר_המלכים#4PpZ | For any even number divided into halves and into [two] unequal parts, the product of half the [whole] number by itself is equal to [the sum of] the product of the greater part by the smaller [part] and the product of the excess of the half of the [whole] number over the smaller part by itself.
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Elements/Elements II-5 | 10,3+7 | קצת_מענייני_חכמת_המספר#41Hj | Example: the number 10 that is divided into 7 and 3. במש' הי' שנחלק לז' ולג' |
Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | לקוטים_מספר_פראלוקא#24rA | If you divide any number into two equal parts and into two unequal parts, the product of the equal parts one by the other is as the product of the unequal parts one by the other, when you add to it the [square] of the difference between the [equal] part and the [unequal part]. 160 אם תחלק מספר אחד לב' חלקים שוים ולב' חלקים בלתי שוים הנה כל כך יעלה כפל החלקים השוים זה על זה כמו כפל החלקים הבלתי שוים זה על זה ותוסיף בם כפל היתרון שיש מהחלק האחד על האחר |
Elements/Elements II-5 | reference | ספר_האלזיברא#7B0h | [[ספר_היסודות_לאקלידס#Elements_II_5|'''Euclid, Elements, Book II, proposition 5''']]: the square formed by AZ, which is four measures, and is as the square of half [the number of] the things that is known to be 16, is equal to surface BH, which is equal to the right-angled surface encompassed by the two unequal segments, whose area is known to be 12, plus the square formed by ZB that is the difference between the two parts.
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Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | ספר_המספר_/_אליהו_מזרחי#yKYx | For any number, when you divide it into two equal parts and into two unequal parts, [the sum of] the product of one of the unequal parts by the other and the square of the difference between the two parts, i.e. between the equal part [= the half of the whole number] and the unequal [part] is equal to the square of half the [whole] number.
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Elements/Elements II-5 | (½(a+b))²=(a·b)+(b-½(a+b))²=(a·b)+(½(a+b)-a)² | ספר_מעשה_חושב#AHZr | The product of half the given number by itself is equal to [the sum of] the product of a part of that number by the other part and the square of the difference between one of the [unequal] parts and half of the [whole] given number. ח השטח ההוה מחצי המספר המונח בעצמו שוה לשטח ההוה מחלק מה מהמספר ההוא בחלק השני ולמרובע יתרון אחד מן החלקים על חצי המספר המונח |
Elements/Elements II-6 | 10,2 | ספר_המספר_/_אליהו_מזרחי#bDvj | Example: the number ten, we divide it into two halves, which are five each, then we add two to the ten, they are 12. דמיון המספר עשרה וחלקנוהו לשני חצאים שהם כל חצי חמשה הוספנו על העשרה שנים והיו י"ב |
Elements/Elements II-6 | reference | ספר_האלזיברא#XaGL | [[ספר_היסודות_לאקלידס#Elements_II_6|'''Euclid, Elements, Book II, proposition 6''']] that the right-angled surface encompassed by the whole line with the addition and the addition, which is equal to surface ZD, whose area is 2 in our example, with the square formed by half the line, which is 16 in our example, both together are 36, equals the square of the line formed by half the line with the addition, which is line TB in our illustration.
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Elements/Elements II-6 | 12,4 | לקוטים_מספר_פראלוקא#qQuN | Example: we have 12, you divide it to 6 and 6, then add to 6 whichever number you wish. Suppose that we wish to add 4 to 6. המשל יש לנו מספר י"ב ותחלק אותו על ו"ו ותוסיף על ו' מספר איזה שתרצה ונניח כי נרצה להוסיף על ו' ד' |
Elements/Elements II-6 | 10,2 | ספר_החשבון_והמדות#yd9c | Example: the number ten, we divide it into two halves, which are five each, then we add two to the ten, they are 12. דמיון המספר עשרה וחלקנוהו לשני חצאים שהם כל חצי חמשה {{#annot:term|178,1206|GTDu}}הוספנו{{#annotend:GTDu}} על העשרה שנים והיו י"ב |
Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | ספר_מעשה_חושב#vsiV | When a number is divided into two halves and a number is added to it, [the sum of] the product of the additional [number] by the whole number plus the additional [number] and the square of half the number is equal to the square of half the number and the additional [number] summed together.
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Elements/Elements II-6 | reference | ספר_האלזיברא#BJrm | [[ספר_היסודות_לאקלידס#Elements_II_6|'''Euclid, Elements, Book II, proposition 6''']] that the right-angled surface encompassed by the whole line with the addition and the addition, which is equal to surface AW, whose area is known as 48, plus the square of half the line, whose area is known, which is 1, both together are 49, equals the square of the line formed by half the line with the addition, which is line AZ.
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Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | לקוטים_מספר_פראלוקא#77le | If you divide any number into two equal parts, then add an additional [number] to the divided number, multiply [the sum] by the additional [number] and add [the product] to the square of one of the parts, I say that it is equal to the square of half [the number] with the additional [number].
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Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | קצת_מענייני_חכמת_המספר#nmaV | If we divide any number into half and add to it another number, [the sum of] the product of the whole number plus the additional [number] by the additional [number] and the square of half the number is equal to the square of half the number and the additional [number] together.
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Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | ספר_החשבון_והמדות#A9xw | If you divide any number into half and add to it another number, [the sum of] the product of the whole number plus the additional [number] by the additional [number] and the square of half the number is equal to the square of half the number and the additional [number] together.
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Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | ספר_המספר_/_אליהו_מזרחי#tcs6 | For any number, when you divide it into half and add to it another number, [the sum of] the product of the whole number plus the additional [number] by the additional [number] and the square of half the number is equal to the square of half the number and the additional [number] together.
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Elements/Elements II-6 | (a+b)·b+(½a)²=(½a+b)² | ספר_המלכים#c7yY | For any number divided into two halves and another number is added to it, the product of half the number and the additional [number] together by itself is equal to [the sum of] the product of the [whole] number plus the additional [number] by the additional [number] and the product of half the original number by itself.
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Elements/Elements II-7 | 10,3+7 | ספר_החשבון_והמדות#L1Xh | Example: the number ten, we divide it randomly to seven and three. דמיון המספר עשרה וחלקנוהו איך שקרה על שבעה ועל שלשה |
Elements/Elements II-7 | (a+b)²+a²=(2·(a+b)·a)+b² | ספר_החשבון_והמדות#hdYZ | For any number divided into two parts, the sum of the square of the whole number and the square of one of the parts is equal to twice the product of this part by the whole number plus the product of the other part by itself.
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Elements/Elements II-7 | (a+b)²+a²=(2·(a+b)·a)+b² | לקוטים_מספר_פראלוקא#lBZs | If you have a number and you divide it into two unequal parts, you multiply the greater part by itself and multiply also the divided number by itself, then sum both products, the result is equal to the product of the greater number by the divided number multiplied by two, then you add to it the square of smaller part.
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Elements/Elements II-7 | 10,3+7 | קצת_מענייני_חכמת_המספר#nE0O | Example: the number 10 is divided into 7 and 3. במשל הרי הי' נחלק לז' ולג' |
Elements/Elements II-7 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#VZVn | Example: the number ten, we divide it randomly to 7 and 3. דמיון המספר עשרה וחלקנוהו איך שקרה על ז' ועל ג' |
Elements/Elements II-7 | (a+b)²+a²=(2·(a+b)·a)+b² | ספר_המלכים#isjp | For any number divided into two parts, [the sum of] the product of the [whole] number by itself and [the product of] one of the two parts by itself is equal to twice the product of the [whole] number by the part that is multiplied by itself plus the [product of the] other part by itself.
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Elements/Elements II-7 | (a+b)²+a²=(2·(a+b)·a)+b² | ספר_המספר_/_אליהו_מזרחי#WZG6 | For any number, when you divide it into two parts randomly, [the sum of] the square of the whole number and the square of one of the two parts is equal to twice the product of the whole number by the mentioned part plus the square of the second part.
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Elements/Elements II-7 | (a+b)²+a²=(2·(a+b)·a)+b² | קצת_מענייני_חכמת_המספר#DEFA | For any number divided into two parts, the sum of the square of the whole number and the square of one of the parts is equal to twice the product of this part by the whole number plus the product of the other part by itself : ![]() |
Elements/Elements II-7 | 12,4+8 | לקוטים_מספר_פראלוקא#R7rS | Example: we wish to divide 12 to 4 and 8. המשל נרצה לחלק י"ב על ח' וד' |
Elements/Elements II-7 | definition | ספר_האלזיברא#cvaS | When a straight line is cut randomly into two segments, the sum of the squares on both segments equals twice the rectangle encompassed by both segments plus the square that is generated from the excess of the larger segment over the smaller segment. [ [[ספר_היסודות_לאקלידס#Elements_II_7|'''Euclid, Elements, Book II, proposition 7''']] ]
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Elements/Elements II-8 | (4·(a+b)·a)+b²=((a+b)+a)² | לקוטים_מספר_פראלוקא#TRuX | If you have a number and you divide it into unequal two parts, if you add one of the parts to the whole number, i.e. the divided number, [its square] is equal to the same part that you added multiplied by the whole number, then multiplied by four, when you add to it the square of the second part.
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Elements/Elements II-8 | 10,3+7 | קצת_מענייני_חכמת_המספר#9UoH | Example: the number 10 is divided into 7 and 3. במשל הי' נחלק לז' ולג' |
Elements/Elements II-8 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#pqrO | Example: we have the number ten, we divide it randomly to 3 and 7. דמיון יש לנו מספר עשרה וחלקנוהו איך שהזדמן על ג' ועל ז' |
Elements/Elements II-8 | 12,4+8 | לקוטים_מספר_פראלוקא#NtVp | Example: we wish to divide 12 to 4 and 8. המשל נרצה לחלק י"ב על ד' וח' |
Elements/Elements II-8 | (4·(a+b)·a)+b²=((a+b)+a)² | קצת_מענייני_חכמת_המספר#R68t | For any number divided into two parts as you wish, if you multiply the whole number by one of the parts four times, the sum of the product with the square of the other part is equal to the [square] of the whole number plus the one part
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Elements/Elements II-8 | 10,3+7 | ספר_החשבון_והמדות#AJOP | Example: we have the number ten, we divide it randomly to 3 and 7. דמיון יש לנו מספר מנינו העשרה וחלקנוהו איך שהזדמן על ג' ועל ז' |
Elements/Elements II-8 | (4·(a+b)·a)+b²=((a+b)+a)² | ספר_המלכים#Ocvs | For any number divided into two parts and one of the two parts is added to it, the product of the [whole] number plus the additional [part] by itself is equal to [the sum of] the product of the [whole] number by the additional [part] four times and the product of the other part by itself.
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Elements/Elements II-8 | (4·(a+b)·a)+b²=((a+b)+a)² | ספר_המספר_/_אליהו_מזרחי#LHo4 | For any number, when you divide it into two parts randomly and you multiply the whole number by one of the two parts four times, then sum [the product] with the square of the other part [it] is equal to the [square] of the whole number plus the mentioned part when you sum them together.
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Elements/Elements II-8 | (4·(a+b)·a)+b²=((a+b)+a)² | ספר_החשבון_והמדות#EAD6 | For any number divided into two parts as you wish, if you multiply the whole number by one of the parts four times, the sum of the product with the square of the other part is equal to the [square] of the whole number plus the one part.
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Elements/Elements II-9 | a²+b²=2·((½·(a+b))²+(a-(½·(a+b)))²) | לקוטים_מספר_פראלוקא#E95L | If you divide any line into two equal parts and into two unequal parts, then you multiply each of the unequal parts [by itself] and sum them, they are twice [the sum of] the product of the equal parts plus the [square of] excess of the greater [part] over [half the number].
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Elements/Elements II-9 | a²+b²=2·((½·(a+b))²+(a-(½·(a+b)))²) | ספר_המספר_/_אליהו_מזרחי#ClRv | For any number that you divide into two equal parts and into two unequal parts, [the sum of] the two squares of the unequal parts is equal to twice [the sum of] the square of half the [whole] number and [the square] of the excess of the large part over the half [of the whole number].
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Elements/Elements II-9 | 10,3+7 | ספר_המספר_/_אליהו_מזרחי#LnLo | Example: the number 10, we divide it into two equal parts, which are 5, and into two unequal parts, which are 7 and 3. דמיון המספר י' וחלקנוהו לשני חלקים שוים והם ה' ולשני חלקים בלתי שוים והם ז' ג' |
Elements/Elements II-9 | a²+b²=2·((½·(a+b))²+(a-(½·(a+b)))²) | ספר_החשבון_והמדות#CM8j | For any number divided into two equal parts and into two unequal parts, [the sum of] the squares of the unequal parts is equal to twice [the sum of] the square of half the [whole] number and the square of the difference between the large part and the half [of the whole number].
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Elements/Elements II-9 | 12,4+8 | לקוטים_מספר_פראלוקא#QBwh | Example: we wish to divide 12 into two equal parts 6 and 6 and into two unequal parts 8 and 4. המשל נרצה לחלק מספר י"ב לב' חלקי' שוים ו'ו' ולב' חלקים בלתי שוים ח' ד' |
Elements/Elements II-9 | a²+b²=2·((½·(a+b))²+(a-(½·(a+b)))²) | ספר_המלכים#g6A2 | For any even number divided into two halves and into two unequal parts, [the sum of the products of] each of the two unequal parts by themselves is equal to [the sum of] twice the product of half the [whole] number by itself and twice the product of the excess of half the [whole] number over the smaller part by itself.
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Elements/Elements II-9 | 10,3+7 | ספר_החשבון_והמדות#O8o8 | Example: we have the number ten, we divide it into two equal parts, which are 5, and into two unequal parts, which are 3 and 7. דמיון יש לנו מספר מנינו עשרה וחלקנוהו לשני חלקים שוים על ה' ושני חלקים בלתי שוים על ג' וז' |
Elements/Elements-Introduction | a=b,a-c=b-c | ספר_המספר_/_אליהו_מזרחי#tNTC | For, when equal is subtracted from equals, then the remainders are necessarily equal, according to what is clarified in the introduction of the first section of Euclid's [book].
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Elements/Elements-Introduction | a=b,a-c=b-c | ספר_המספר_/_אליהו_מזרחי#gaDw | This is because it was already clarified in the introduction of Euclid's book that when equal is subtracted from equals, then the remainders are equal
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Elements/Elements IX-21 | definition | ספר_המספר_/_אליהו_מזרחי#qiN5 | When even numbers are summed, as many as they may be, their sum is an even number. הוא כאשר נקבצו מספרי זוגות כמה שיהיו הנה קבוצם מספר זוג |
Elements/Elements IX-22 | definition | ספר_המספר_/_אליהו_מזרחי#yrIb | When odd numbers are summed, as many as they may be, and their multitude is even, their sum is an even number. וכאשר נקבצו מספרים נפרדים כמה שיהיו והיה מספרם זוג הנה קבוצם מספר זוג |
Elements/Elements IX-23 | definition | ספר_המספר_/_אליהו_מזרחי#1A6m | When odd numbers are summed, as many as they may be, and their multitude is odd, their sum is an odd number. וכאשר נקבצו מספרים נפרדים כמה שיהיו והיה מספרם מפרד הנה קבוצם נפרד |
Elements/Elements IX-28 | definition | ספר_המספר_/_אליהו_מזרחי#RVMm | When an even number is multiplied by an odd number, or by an even number, then the product is even.
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Elements/Elements IX-29 | definition | ספר_המספר_/_אליהו_מזרחי#DYPK | When an odd number is multiplied by an odd number, then the product is odd.
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Elements/Elements V-15 | (n·a)÷(n·b)=a÷b | ספר_המספר_/_אליהו_מזרחי#PIBA | For, it was already clarified in Euclid's Book of Elements, according to what was preceded in this section, that the given numbers have the same ratio as the ratio of their equimultiples.
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Elements/Elements V-15 | (n·a)÷(n·b)=a÷b | ספר_המספר_/_אליהו_מזרחי#wUJB | For, it was already clarified in Euclid's Book of Elements, in the fifth section, that any numbers, whose multiples are equal, have the same ratio as the ratio of their equimultiples.
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Elements/Elements V-9 | definition | ספר_המספר_/_אליהו_מזרחי#2X92 | For, any two magnitudes, which have the same ratio to the same magnitude, necessarily equal one another, according to what is clarified in Euclid's Book of Elements.
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Elements/Elements VI-17 | definition | ספר_האלזיברא#KlWg | It is already explained in {{#annot: reference | #Elements VI-17 | cH1a}}[[ספר_היסודות_לאקלידס#Elements_VI_17|'''Euclid, Elements, Book VI, proposition 17''']] that the product of the first by the last is as the product of the mean by its similar.
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Elements/Elements VI-17 | reference | ספר_האלזיברא#cH1a | [[ספר_היסודות_לאקלידס#Elements_VI_17|'''Euclid, Elements, Book VI, proposition 17''']] that the product of the first by the last is as the product of the mean by its similar.
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Elements/Elements VII-11 | a÷b=c÷d→(c-a)÷(d-b) | ספר_המספר_/_אליהו_מזרחי#Iu2h | when two numbers are subtracted from two numbers and the ratio of the subtrahend to the subtrahend is the same as the ratio of the minuend to the minuend, then the [ratio of] the remainder to the remainder is the same as the ratio of the minuend to the minuend.
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Elements/Elements VIII-11 | definition | ספר_המספר_/_אליהו_מזרחי#sPcq | Its reason is also known from what was clarified in Euclid's Book of Elements, in the eighth section that for every two squares numbers the ratio of one of them to the other is as the duplicate ratio of that which the side has to the side.
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Elements/Elements VIII-11 | reference | ספר_האלזיברא#D3f5 | [[ספר_היסודות_לאקלידס#Elements_VIII_11|'''Euclid, Elements, Book VIII, proposition 11''']] מתמונת י"א מן המאמר השמיני לאקלידס |
Elements/Elements VIII-11 | definition | ספר_האלזיברא#Nl0O | This is because the ratio of a square to a square is the same as the ratio of its side to its side duplicate.
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Elements/Elements VIII-11 | definition | ספר_האלזיברא#QcHW | the ratio of a square to a square is as the ratio of its side to its side duplicated. [ [[ספר_היסודות_לאקלידס#Elements_VIII_11|'''Euclid, Elements, Book VIII, proposition 11''']] ]
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Elements/Elements VIII-12 | reference | ספר_האלזיברא#jD6N | According to [[ספר_היסודות_לאקלידס#Elements_VIII_12|'''Euclid, Elements, Book VIII, proposition 12''']] מתמונת י"ב מן המאמר השמיני לאקלידס |
Elements/Elements VIII-12 | definition | ספר_האלזיברא#eDWE | This is because the ratio of a cube to a cube is the same as the ratio of its side to its side triplicate
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Elements/Elements XIII-1 | definition | המחומשים_והמעושרים#1Da2 | Euclid proved that when a line is divided according to the ratio of a mean and two extremes, so that half the whole line is added to the larger segment, and all this is multiplied by itself, then the resulting square is equal to five times the square of half the line [Elements XIII.1]. ובאר אקלידס כי כאשר נחלק קו על יחס אמצעי ושתי קצוות שהחלק הגדול כאשר נוסף בארכו כמו חצי הקו כלו והוכה כל זה בעצמו המרובע ההוה מזה יהיה חמשה דמיוני המרובע ההוה מחצי הדבר |
Elements/Elements XIII-10 | definition | המחומשים_והמעושרים#w084 | We do this since Euclid has explained that the line that cuts the fifth is on the line that cuts the sixth and the tithe, when they are set on one circle [Elements XIII,10]. ועשינו זה בעבור כי באר אוקלידס כי קו החותך החמישית על הקו החותך הששית והעשירית כאשר הונחו בעגולה אחת |
Elements/Elements XIII-3 | definition | המחומשים_והמעושרים#mhLN | Euclid has already explained [Elements XIII.3] that when line BH is divided by the ratio of a mean and two extremes, so that the greater part is equal to line DH, it is known that when a line is divided by the ratio of a mean and two extremes and we add half the greater part to the smaller part, then multiply the whole sum by itself, the square formed by the sum of the two is five times the product of [half] the greater part by itself.
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Elements/Elements XIII-5 | definition | המחומשים_והמעושרים#3lPz | It is known from what we have said, as Euclid said, that for every line divisible according to the ratio of a mean and two extremes, when another part equal to the larger portion is added to the line, then whole [line] is divisible according to the ratio of a mean and two extremes, and the larger portion of which is the original line [Elements XIII.5]. והוא ידוע מאשר אמרנו שאמרו אקלידס ואמר שכל קו שהוא על יחס אמצעי ושני קצוות ונוסף באורך הקו כמו החלק 60rהגדול וכל זה יחלק על יחס אמצעי ושני קצוות שהחלק הגדול הוא הקו הראשון |
Elements/Elements XIII-9 | definition | המחומשים_והמעושרים#ScqD | It he said in another place that when the side of a hexagon and the side of a decagon inscribed in the same circle are united in one line, then this whole line is divisible according to the ratio of a mean and two extremes, and the side of the hexagon is the larger portion [Elements XIII.9]. ואמר במקום אחר שכאשר קובצו צלע המשושה עם צלע המעושר אשר בעגולה אחת בקו אחד ישר יהיה כל הקו נחלק על יחס אמצעי ושני קצוות וצלע המשושה הוא החלק הגדול |
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no such category found: #def. even number