- #1
Dustinsfl
- 2,281
- 5
Let A,B, and C be nonempty sets and lef f map A to B and g map B to C.
If g of f maps A to C is an injection, then f is an injection.
Not sure how to do this proof
If g of f maps A to C is an injection, then f is an injection.
Not sure how to do this proof