Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > opeq12d | Unicode version |
Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.) (Proof shortened by Andrew Salmon, 29-Jun-2011.) |
Ref | Expression |
---|---|
opeq1d.1 | |
opeq12d.2 |
Ref | Expression |
---|---|
opeq12d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opeq1d.1 | . 2 | |
2 | opeq12d.2 | . 2 | |
3 | opeq12 3767 | . 2 | |
4 | 1, 2, 3 | syl2anc 409 | 1 |
Copyright terms: Public domain | W3C validator |