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| Mirrors > Home > ILE Home > Th. List > opeq2d | GIF version | ||
| Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.) |
| Ref | Expression |
|---|---|
| opeq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| opeq2d | ⊢ (𝜑 → 〈𝐶, 𝐴〉 = 〈𝐶, 𝐵〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opeq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | opeq2 3905 | . 2 ⊢ (𝐴 = 𝐵 → 〈𝐶, 𝐴〉 = 〈𝐶, 𝐵〉) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 〈𝐶, 𝐴〉 = 〈𝐶, 𝐵〉) |
| 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: tfr1onlemaccex 6619 tfrcllemaccex 6632 fundmen 7094 exmidapne 7626 recexnq 7757 suplocexprlemex 8089 elreal2 8197 frecuzrdgrrn 10845 frec2uzrdg 10846 frecuzrdgrcl 10847 frecuzrdgsuc 10851 frecuzrdgrclt 10852 frecuzrdgg 10853 frecuzrdgsuctlem 10860 seqeq2 10888 seqeq3 10889 iseqvalcbv 10896 seq3val 10897 seqvalcd 10898 s1val 11385 s1eq 11387 s1prc 11391 swrdlsw 11441 pfxpfx 11480 swrdccat 11507 swrdccat3blem 11511 swrdccat3b 11512 pfxccatin12d 11517 eucalgval 12832 ennnfonelemp1 13297 ennnfonelemnn0 13313 strsetsid 13385 ressvalsets 13418 strressid 13425 ressinbasd 13428 ressressg 13429 imasex 13626 imasival 13627 imasaddvallemg 13636 xpsfval 13669 prdsex 14172 prdsval 14173 xpsval 14201 mgpvalg 14220 mgpress 14230 ring1 14364 opprvalg 14374 sraval 14774 zlmval 14962 znval 14971 znval2 14973 psrval 15050 upgr1een 16365 uspgr1ewopdc 16485 usgr2v1e2w 16487 1loopgruspgr 16544 eupth2lem3lem3fi 16711 eupth2fi 16720 |
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