Thanks for your help. Really appreciated.
So, how would we related multiplication and division, particularly if we are doing arithematic, say x*y=z implies x=y/z for z not equal 0.
(ps since I read something saying that think of minus is a reverse process of addition)
Hi, I am currently reading something on Set Theory (I am not a student BTW) and I got struck. Please would somebody could give me some advices. Thanks in advance.
Is multiplication a one to one onto function G:NxN->N or G:RxR->R
I guess not. Since G(2,3)=6 and G(1,6)=6. So if not, then...