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Metamath Proof Explorer
Description: Define the cartesian product function. See brcart for its value.
(Contributed by Scott Fenton, 11-Apr-2014)
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|
Ref |
Expression |
|
Assertion |
df-cart |
|
Detailed syntax breakdown
| 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 |
|