What is the difference between two objects mapping to the same set and equality?
If two functions mapped to the same value everywhere of interest, does that have the same meaning as the two functions being equal?
If two functions mapped to the same value everywhere of interest, does that have the same meaning as the two functions being equal?
J
Favorite Answer
Let
f:A-->B and g:C-->D
be two functions
then
f=g
means
A=C and B=D and for each u in A, f(u) = g(u).