Euclid — "A ratio is a sort of relation in respect of size between two magnitudes of the s…"
A ratio is a sort of relation in respect of size between two magnitudes of the same kind.
A ratio is a sort of relation in respect of size between two magnitudes of the same kind.
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"No trace of Euclid's personality has survived."
"And the greater is a multiple of the less when it is measured by the less."
"In any right-angled triangle, the square on the side subtending the right angle is equal to the squares on the sides containing the right angle."
"A plane surface is a surface which lies evenly with the straight lines on itself."
"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…"
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