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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 5048 |
. 2
|
| 3 | df-br 4115 |
. 2
| |
| 4 | df-br 4115 |
. . 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-opab 4177 df-xp 4760 df-res 4766 |
| This theorem is referenced by: dfres2 5095 dfima2 5108 poirr2 5160 cores 5271 resco 5272 rnco 5274 fnres 5480 fvres 5699 nfunsn 5712 1stconst 6430 2ndconst 6431 |
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