Thu August 16, 2012 By: Priyamvada Mathur

what is the difference between a postulate and an axiom.

Expert Reply
Fri August 17, 2012

Euclid assumed certain properties, which were not to be proved. These assumptions are actually ‘obvious universal truths’. He divided them into two types: axioms and postulates. He used the term ‘postulate’ for the assumptions that were specific to geometry. Common notions (often called axioms), on the other hand, were assumptions used throughout mathematics and not specifically linked to geometry.

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