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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 4377 cbvoprab2 6161 djuf1olem 7394 dfplpq2 7722 ltexnqq 7776 nnanq0 7826 addpinq1 7832 prarloclemlo 7862 prarloclem3 7865 prarloclem5 7868 prsrriota 8156 caucvgsrlemfv 8159 caucvgsr 8170 pitonnlem2 8215 pitonn 8216 recidpirq 8226 ax1rid 8245 axrnegex 8247 nntopi 8262 axcaucvglemval 8265 fseq1m1p1 10513 frecuzrdglem 10863 frecuzrdgg 10868 frecuzrdgdomlem 10869 frecuzrdgfunlem 10871 frecuzrdgsuctlem 10875 pfxswrd 11494 swrdccat 11523 swrdccat3blem 11527 fsum2dlemstep 12220 fprod2dlemstep 12408 ennnfonelemp1 13349 ennnfonelemnn0 13365 setscomd 13445 imasaddvallemg 13689 |
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