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Mirrors > Home > ILE Home > Th. List > eqbrrdv | Unicode version |
Description: Deduction from extensionality principle for relations. (Contributed by Mario Carneiro, 3-Jan-2017.) |
Ref | Expression |
---|---|
eqbrrdv.1 | |
eqbrrdv.2 | |
eqbrrdv.3 |
Ref | Expression |
---|---|
eqbrrdv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqbrrdv.3 | . . . 4 | |
2 | df-br 3977 | . . . 4 | |
3 | df-br 3977 | . . . 4 | |
4 | 1, 2, 3 | 3bitr3g 221 | . . 3 |
5 | 4 | alrimivv 1862 | . 2 |
6 | eqbrrdv.1 | . . 3 | |
7 | eqbrrdv.2 | . . 3 | |
8 | eqrel 4687 | . . 3 | |
9 | 6, 7, 8 | syl2anc 409 | . 2 |
10 | 5, 9 | mpbird 166 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 wal 1340 wceq 1342 wcel 2135 cop 3573 class class class wbr 3976 wrel 4603 |
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-br 3977 df-opab 4038 df-xp 4604 df-rel 4605 |
This theorem is referenced by: eqbrrdva 4768 |
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