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Mirrors > Home > ILE Home > Th. List > eqrelrel | Unicode version |
Description: Extensionality principle for ordered triples, analogous to eqrel 4687. Use relrelss 5124 to express the antecedent in terms of the relation predicate. (Contributed by NM, 17-Dec-2008.) |
Ref | Expression |
---|---|
eqrelrel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | unss 3291 | . 2 | |
2 | ssrelrel 4698 | . . . 4 | |
3 | ssrelrel 4698 | . . . 4 | |
4 | 2, 3 | bi2anan9 596 | . . 3 |
5 | eqss 3152 | . . 3 | |
6 | 2albiim 1475 | . . . . 5 | |
7 | 6 | albii 1457 | . . . 4 |
8 | 19.26 1468 | . . . 4 | |
9 | 7, 8 | bitri 183 | . . 3 |
10 | 4, 5, 9 | 3bitr4g 222 | . 2 |
11 | 1, 10 | sylbir 134 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wal 1340 wceq 1342 wcel 2135 cvv 2721 cun 3109 wss 3111 cop 3573 cxp 4596 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-v 2723 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-opab 4038 df-xp 4604 |
This theorem is referenced by: (None) |
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