
Euclid's Elements, Book IX, Proposition 34 (IX.34)
Sep 13, 2024
"If a number neither be one of those which are continually doubled from a dyad, nor have its half odd, it is both even-times even and even-times odd."

"If a number neither be one of those which are continually doubled from a dyad, nor have its half odd, it is both even-times even and even-times odd."