Context: Euclid's proof of the Pythagorean Theorem made use of the previous proven theorem known as Proposition 41.
Context: Euclid's proof of the Pythagorean Theorem made use of the previous proven theorem known as Proposition 41.
上下文：欧几里得关于毕德哥拉斯定理的证明利用了前已证明的命题41。