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| Mirrors > Home > ILE Home > Th. List > opeq1d | GIF version | ||
| Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.) |
| Ref | Expression |
|---|---|
| opeq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| opeq1d | ⊢ (𝜑 → 〈𝐴, 𝐶〉 = 〈𝐵, 𝐶〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opeq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | opeq1 3904 | . 2 ⊢ (𝐴 = 𝐵 → 〈𝐴, 𝐶〉 = 〈𝐵, 𝐶〉) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 〈𝐴, 𝐶〉 = 〈𝐵, 𝐶〉) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 〈cop 3712 |
| 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 7400 dfplpq2 7728 ltexnqq 7782 nnanq0 7832 addpinq1 7838 prarloclemlo 7868 prarloclem3 7871 prarloclem5 7874 prsrriota 8162 caucvgsrlemfv 8165 caucvgsr 8176 pitonnlem2 8221 pitonn 8222 recidpirq 8232 ax1rid 8251 axrnegex 8253 nntopi 8268 axcaucvglemval 8271 fseq1m1p1 10520 frecuzrdglem 10870 frecuzrdgg 10875 frecuzrdgdomlem 10876 frecuzrdgfunlem 10878 frecuzrdgsuctlem 10882 pfxswrd 11501 swrdccat 11530 swrdccat3blem 11534 fsum2dlemstep 12227 fprod2dlemstep 12415 ennnfonelemp1 13356 ennnfonelemnn0 13372 setscomd 13452 imasaddvallemg 13696 gsum2dfilem2 14273 |
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