415208
[Commentary:
The reference at the top of this page is to Zetetic IV. 6 of Zeteticorum libri quinque
(Viète 1593a, Zet . This is also Proposition II.10 from the Arithmetica of Diophantus
(Diophantus 1575, , but Harriot refers only to Viète's version of it.
Zeteticum VI
Invenire numero duo quadrata, distantia dato
To find in numbers two squares having a given difference between
Viète used the letter for the given difference. Harriot followed Viète's working but in his own lower-case notation. The 1591 edition of the Zetetica at one point mistakenly gives 'maior' instead of 'minor'. This is the error that Harriot points out. It was corrected in the 1646 edition of Viète's Opera mathematica. ]
Zeteticum VI
Invenire numero duo quadrata, distantia dato
To find in numbers two squares having a given difference between
Viète used the letter for the given difference. Harriot followed Viète's working but in his own lower-case notation. The 1591 edition of the Zetetica at one point mistakenly gives 'maior' instead of 'minor'. This is the error that Harriot points out. It was corrected in the 1646 edition of Viète's Opera mathematica. ]
Zet. lib. 4.
[Translation: Zetetica, Book IV, Zeteticum ]
[Translation: Zetetica, Book IV, Zeteticum ]
Invenire duo quadrata
distantia data
[Translation: To find two squares a given distance ]
distantia data
[Translation: To find two squares a given distance ]
et ut differentia vel
summa laterum sit æqualis,
dato
[Translation: and so that the difference or sum of the sides is equal to , a given number.
summa laterum sit æqualis,
dato
[Translation: and so that the difference or sum of the sides is equal to , a given number.
Sit datum intervallum
et intelligatur pro quadrato basis
Et sit differentia inter hypotenusum
et perpendiculum quælibet quantitas
[Translation: Let the given interval be , and it is understood to be the square of the base; And let the difference between the hypotenuse and the perpendicular be any quantity.
et intelligatur pro quadrato basis
Et sit differentia inter hypotenusum
et perpendiculum quælibet quantitas
[Translation: Let the given interval be , and it is understood to be the square of the base; And let the difference between the hypotenuse and the perpendicular be any quantity.
Menda in
[Translation: Wrong in ]
[Translation: Wrong in ]
Ergo latera
[Translation: Therefore the sides of the ]
[Translation: Therefore the sides of the ]
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