What has been affirmed without proof can also be denied without proof.
Father of geometry
Widely attributed, but a direct primary source from Euclid's time is elusive.
c. 300 BCE (attributed much later)
Found in 2 providers: gemini,deepseek
Cross Reference
2 sources
"If a straight line be cut into two equal parts and also into two unequal parts, the rectangle contained by the unequal parts together with the square on the line between the points of section is equal…"
Strange & Unusual"If equals be added to equals, the wholes are equal."
Strange & Unusual"To construct an equilateral triangle on a given finite straight line."
Strange & Unusual"A semicircle is the figure contained by the diameter and the circumference cut off by it. And the center of the semicircle is the same as that of the circle."
Strange & Unusual"A ratio is a sort of relation in respect of size between two magnitudes of the same kind."
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