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 |