Introduction to Euclid’s Geometry Class 9th
Euclid’s Definitions, Axioms, and Postulates Euclid listed 23 definitions in book 1 of the ‘Elements’. A few of them are given below : Euclid gave some certain properties which were assumed by him and which were not proved. Actually, these assumptions were ‘obvious universal truths’. There were two types of these assumptions: axioms and postulates. …
