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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 4377 cbvoprab2 6161 djuf1olem 7393 dfplpq2 7721 ltexnqq 7775 nnanq0 7825 addpinq1 7831 prarloclemlo 7861 prarloclem3 7864 prarloclem5 7867 prsrriota 8155 caucvgsrlemfv 8158 caucvgsr 8169 pitonnlem2 8214 pitonn 8215 recidpirq 8225 ax1rid 8244 axrnegex 8246 nntopi 8261 axcaucvglemval 8264 fseq1m1p1 10504 frecuzrdglem 10850 frecuzrdgg 10855 frecuzrdgdomlem 10856 frecuzrdgfunlem 10858 frecuzrdgsuctlem 10862 pfxswrd 11480 swrdccat 11509 swrdccat3blem 11513 fsum2dlemstep 12203 fprod2dlemstep 12391 ennnfonelemp1 13299 ennnfonelemnn0 13315 setscomd 13395 imasaddvallemg 13638 |
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