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Mirrors > Home > ILE Home > Th. List > fnres | Unicode version |
Description: An equivalence for functionality of a restriction. Compare dffun8 5151. (Contributed by Mario Carneiro, 20-May-2015.) |
Ref | Expression |
---|---|
fnres |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 264 | . . 3 | |
2 | vex 2689 | . . . . . . . . . 10 | |
3 | 2 | brres 4825 | . . . . . . . . 9 |
4 | ancom 264 | . . . . . . . . 9 | |
5 | 3, 4 | bitri 183 | . . . . . . . 8 |
6 | 5 | mobii 2036 | . . . . . . 7 |
7 | moanimv 2074 | . . . . . . 7 | |
8 | 6, 7 | bitri 183 | . . . . . 6 |
9 | 8 | albii 1446 | . . . . 5 |
10 | relres 4847 | . . . . . 6 | |
11 | dffun6 5137 | . . . . . 6 | |
12 | 10, 11 | mpbiran 924 | . . . . 5 |
13 | df-ral 2421 | . . . . 5 | |
14 | 9, 12, 13 | 3bitr4i 211 | . . . 4 |
15 | dmres 4840 | . . . . . . 7 | |
16 | inss1 3296 | . . . . . . 7 | |
17 | 15, 16 | eqsstri 3129 | . . . . . 6 |
18 | eqss 3112 | . . . . . 6 | |
19 | 17, 18 | mpbiran 924 | . . . . 5 |
20 | dfss3 3087 | . . . . . 6 | |
21 | 15 | elin2 3264 | . . . . . . . . 9 |
22 | 21 | baib 904 | . . . . . . . 8 |
23 | vex 2689 | . . . . . . . . 9 | |
24 | 23 | eldm 4736 | . . . . . . . 8 |
25 | 22, 24 | syl6bb 195 | . . . . . . 7 |
26 | 25 | ralbiia 2449 | . . . . . 6 |
27 | 20, 26 | bitri 183 | . . . . 5 |
28 | 19, 27 | bitri 183 | . . . 4 |
29 | 14, 28 | anbi12i 455 | . . 3 |
30 | r19.26 2558 | . . 3 | |
31 | 1, 29, 30 | 3bitr4i 211 | . 2 |
32 | df-fn 5126 | . 2 | |
33 | eu5 2046 | . . 3 | |
34 | 33 | ralbii 2441 | . 2 |
35 | 31, 32, 34 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wal 1329 wceq 1331 wex 1468 wcel 1480 weu 1999 wmo 2000 wral 2416 cin 3070 wss 3071 class class class wbr 3929 cdm 4539 cres 4541 wrel 4544 wfun 5117 wfn 5118 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-br 3930 df-opab 3990 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-res 4551 df-fun 5125 df-fn 5126 |
This theorem is referenced by: f1ompt 5571 |
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