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Mirrors > Home > MPE Home > Th. List > fnres | Structured version Visualization version Unicode version |
Description: An equivalence for functionality of a restriction. Compare dffun8 5916. (Contributed by Mario Carneiro, 20-May-2015.) |
Ref | Expression |
---|---|
fnres |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 466 | . . 3 | |
2 | vex 3203 | . . . . . . . . . 10 | |
3 | 2 | brres 5402 | . . . . . . . . 9 |
4 | ancom 466 | . . . . . . . . 9 | |
5 | 3, 4 | bitri 264 | . . . . . . . 8 |
6 | 5 | mobii 2493 | . . . . . . 7 |
7 | moanimv 2531 | . . . . . . 7 | |
8 | 6, 7 | bitri 264 | . . . . . 6 |
9 | 8 | albii 1747 | . . . . 5 |
10 | relres 5426 | . . . . . 6 | |
11 | dffun6 5903 | . . . . . 6 | |
12 | 10, 11 | mpbiran 953 | . . . . 5 |
13 | df-ral 2917 | . . . . 5 | |
14 | 9, 12, 13 | 3bitr4i 292 | . . . 4 |
15 | dmres 5419 | . . . . . . 7 | |
16 | inss1 3833 | . . . . . . 7 | |
17 | 15, 16 | eqsstri 3635 | . . . . . 6 |
18 | eqss 3618 | . . . . . 6 | |
19 | 17, 18 | mpbiran 953 | . . . . 5 |
20 | dfss3 3592 | . . . . . 6 | |
21 | 15 | elin2 3801 | . . . . . . . . 9 |
22 | 21 | baib 944 | . . . . . . . 8 |
23 | vex 3203 | . . . . . . . . 9 | |
24 | 23 | eldm 5321 | . . . . . . . 8 |
25 | 22, 24 | syl6bb 276 | . . . . . . 7 |
26 | 25 | ralbiia 2979 | . . . . . 6 |
27 | 20, 26 | bitri 264 | . . . . 5 |
28 | 19, 27 | bitri 264 | . . . 4 |
29 | 14, 28 | anbi12i 733 | . . 3 |
30 | r19.26 3064 | . . 3 | |
31 | 1, 29, 30 | 3bitr4i 292 | . 2 |
32 | df-fn 5891 | . 2 | |
33 | eu5 2496 | . . 3 | |
34 | 33 | ralbii 2980 | . 2 |
35 | 31, 32, 34 | 3bitr4i 292 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wal 1481 wceq 1483 wex 1704 wcel 1990 weu 2470 wmo 2471 wral 2912 cin 3573 wss 3574 class class class wbr 4653 cdm 5114 cres 5116 wrel 5119 wfun 5882 wfn 5883 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-res 5126 df-fun 5890 df-fn 5891 |
This theorem is referenced by: f1ompt 6382 omxpenlem 8061 tz6.12-afv 41253 |
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