I am talking about the (a) part. It says by the definition... What definition? How am I supposed to prove that it is commutative when no variable is given or function is defined?
Re: What definition do them mean?(Binary Operation)
Originally Posted by abhistud
I am talking about the (a) part. It says by the definition... What definition? How am I supposed to prove that it is commutative when no variable is given or function is defined?