Equivalent Postulate

Some articles on postulate, postulates:

Parallel Postulate - History
... For two thousand years, many attempts were made to prove the parallel postulate using Euclid's first four postulates ... that such a proof was so highly sought after was that, unlike the first four postulates, the parallel postulate isn't self-evident ... If the order the postulates were listed in the Elements is significant, it indicates that Euclid included this postulate only when he realised he ...

Famous quotes containing the word equivalent:

    Accountability in friendship is the equivalent of love without strategy.
    Anita Brookner (b. 1938)