A + B = B + A ?
Date: 7/24/96 at 13:37:22 From: Anonymous Subject: A + B =? B + A Is A + B = B + A true or not true?
Date: 7/24/96 at 13:46:50 From: Doctor Robert Subject: Re: Is A + B = B + A true or not true? It depends on what A and B are. However, if A and B are real numbers, then the statement is assumed to be true. It is called the commutative axiom of addition. -Doctor Robert, The Math Forum Check out our web site! http://mathforum.org/dr.math/
Search the Dr. Math Library:
Ask Dr. MathTM
© 1994- The Math Forum at NCTM. All rights reserved.