Description: Define the cartesian product function. See brcart for its value. (Contributed by Scott Fenton, 11-Apr-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | df-cart |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | ccart | ||
1 | cvv | ||
2 | 1 1 | cxp | |
3 | 2 1 | cxp | |
4 | cep | ||
5 | 1 4 | ctxp | |
6 | 4 4 | cpprod | |
7 | 6 1 | ctxp | |
8 | 5 7 | csymdif | |
9 | 8 | crn | |
10 | 3 9 | cdif | |
11 | 0 10 | wceq |