Lemma: Lem. 10.028.2: Finding Two Squares With Sum Not Square
(Lemma 2 to Proposition 28 from Book 10 of Euclid's “Elements”)
To find two square numbers such that the sum of them is not square.
Modern Formulation
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Table of Contents
Proofs: 1
Mentioned in:
Proofs: 1 2
Propositions: 3
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References
Adapted from (subject to copyright, with kind permission)
 Fitzpatrick, Richard: Euclid's "Elements of Geometry"