What is the meaning of postulate

Question

What is postulate I need the meaning of that word because I tried but I cant find the answer.

Answer 1

Try entering "postulate, definition" into Google.  Or look up postulate in the index of your textbook.  Or look it up, as Arturo suggested, in a dictionary.  The answer is easy to find.  You said you "tried" but if you'd tried you'd tried one one of the above you'd have the answer.  Here's the result of quick google search on postulate. Check it out:

 

https://www.google.com/search?q=postulate+definition+math&ie=utf-8&oe=utf-8&client=firefox-b-1