Metamath Proof Explorer
Description: Equality theorem for the range Cartesian product, deduction form.
(Contributed by Peter Mazsa, 7-Sep-2021)
|
|
Ref |
Expression |
|
Hypothesis |
xrneq2d.1 |
|
|
Assertion |
xrneq2d |
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Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
xrneq2d.1 |
|
| 2 |
|
xrneq2 |
|
| 3 |
1 2
|
syl |
|