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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 4952 |
. 2
|
| 3 | df-br 4035 |
. 2
| |
| 4 | df-br 4035 |
. . 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-br 4035 df-opab 4096 df-xp 4670 df-res 4676 |
| This theorem is referenced by: dfres2 4999 dfima2 5012 poirr2 5063 cores 5174 resco 5175 rnco 5177 fnres 5377 fvres 5585 nfunsn 5596 1stconst 6288 2ndconst 6289 |
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