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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 10858 frec2uzrdg 10859 frecuzrdgrcl 10860 frecuzrdgsuc 10864 frecuzrdgrclt 10865 frecuzrdgg 10866 frecuzrdgsuctlem 10873 seqeq2 10901 seqeq3 10902 iseqvalcbv 10909 seq3val 10910 seqvalcd 10911 s1val 11399 s1eq 11401 s1prc 11405 swrdlsw 11455 pfxpfx 11494 swrdccat 11521 swrdccat3blem 11525 swrdccat3b 11526 pfxccatin12d 11531 eucalgval 12848 ennnfonelemp1 13346 ennnfonelemnn0 13362 strsetsid 13434 ressvalsets 13467 strressid 13474 ressinbasd 13477 ressressg 13478 imasex 13675 imasival 13676 imasaddvallemg 13685 xpsfval 13718 prdsex 14221 prdsval 14222 xpsval 14250 mgpvalg 14269 mgpress 14279 ring1 14413 opprvalg 14423 sraval 14823 zlmval 15011 znval 15020 znval2 15022 psrval 15099 upgr1een 16463 uspgr1ewopdc 16583 usgr2v1e2w 16585 1loopgruspgr 16642 eupth2lem3lem3fi 16809 eupth2fi 16818 |
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