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| Description: Binary relation on a restriction. (Contributed by NM, 12-Dec-2006.) |
| Ref | Expression |
|---|---|
| opelres.1 |
|
| Ref | Expression |
|---|---|
| brres |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelres.1 |
. . 3
| |
| 2 | 1 | opelres 5016 |
. 2
|
| 3 | df-br 4087 |
. 2
| |
| 4 | df-br 4087 |
. . 3
| |
| 5 | 4 | anbi1i 458 |
. 2
|
| 6 | 2, 3, 5 | 3bitr4i 212 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-br 4087 df-opab 4149 df-xp 4729 df-res 4735 |
| This theorem is referenced by: dfres2 5063 dfima2 5076 poirr2 5127 cores 5238 resco 5239 rnco 5241 fnres 5446 fvres 5659 nfunsn 5672 1stconst 6381 2ndconst 6382 |
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