- #1
cateater2000
- 35
- 0
Hi
let f be a function from set A into X, and Y,Z c X. Prove the following
f^-1(YandZ)=f^-1(Y)andf^-1(Z);
any tips would be great
let f be a function from set A into X, and Y,Z c X. Prove the following
f^-1(YandZ)=f^-1(Y)andf^-1(Z);
any tips would be great