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| Mirrors > Home > ILE Home > Th. List > opeq1d | Unicode version | ||
| Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.) |
| Ref | Expression |
|---|---|
| opeq1d.1 |
|
| Ref | Expression |
|---|---|
| opeq1d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opeq1d.1 |
. 2
| |
| 2 | opeq1 3904 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 |
| This theorem is used by: oteq1 3913 oteq2 3914 opth 4379 cbvoprab2 6164 djuf1olem 7399 dfplpq2 7727 ltexnqq 7781 nnanq0 7831 addpinq1 7837 prarloclemlo 7867 prarloclem3 7870 prarloclem5 7873 prsrriota 8161 caucvgsrlemfv 8164 caucvgsr 8175 pitonnlem2 8220 pitonn 8221 recidpirq 8231 ax1rid 8250 axrnegex 8252 nntopi 8267 axcaucvglemval 8270 fseq1m1p1 10519 frecuzrdglem 10869 frecuzrdgg 10874 frecuzrdgdomlem 10875 frecuzrdgfunlem 10877 frecuzrdgsuctlem 10881 pfxswrd 11500 swrdccat 11529 swrdccat3blem 11533 fsum2dlemstep 12226 fprod2dlemstep 12414 ennnfonelemp1 13355 ennnfonelemnn0 13371 setscomd 13451 imasaddvallemg 13695 gsum2dfilem2 14272 |
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