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Mirrors > Home > ILE Home > Th. List > fnres | Unicode version |
Description: An equivalence for functionality of a restriction. Compare dffun8 4929. (Contributed by Mario Carneiro, 20-May-2015.) |
Ref | Expression |
---|---|
fnres |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 253 | . . 3 | |
2 | vex 2560 | . . . . . . . . . 10 | |
3 | 2 | brres 4618 | . . . . . . . . 9 |
4 | ancom 253 | . . . . . . . . 9 | |
5 | 3, 4 | bitri 173 | . . . . . . . 8 |
6 | 5 | mobii 1937 | . . . . . . 7 |
7 | moanimv 1975 | . . . . . . 7 | |
8 | 6, 7 | bitri 173 | . . . . . 6 |
9 | 8 | albii 1359 | . . . . 5 |
10 | relres 4639 | . . . . . 6 | |
11 | dffun6 4916 | . . . . . 6 | |
12 | 10, 11 | mpbiran 847 | . . . . 5 |
13 | df-ral 2311 | . . . . 5 | |
14 | 9, 12, 13 | 3bitr4i 201 | . . . 4 |
15 | dmres 4632 | . . . . . . 7 | |
16 | inss1 3157 | . . . . . . 7 | |
17 | 15, 16 | eqsstri 2975 | . . . . . 6 |
18 | eqss 2960 | . . . . . 6 | |
19 | 17, 18 | mpbiran 847 | . . . . 5 |
20 | dfss3 2935 | . . . . . 6 | |
21 | 15 | elin2 3127 | . . . . . . . . 9 |
22 | 21 | baib 828 | . . . . . . . 8 |
23 | vex 2560 | . . . . . . . . 9 | |
24 | 23 | eldm 4532 | . . . . . . . 8 |
25 | 22, 24 | syl6bb 185 | . . . . . . 7 |
26 | 25 | ralbiia 2338 | . . . . . 6 |
27 | 20, 26 | bitri 173 | . . . . 5 |
28 | 19, 27 | bitri 173 | . . . 4 |
29 | 14, 28 | anbi12i 433 | . . 3 |
30 | r19.26 2441 | . . 3 | |
31 | 1, 29, 30 | 3bitr4i 201 | . 2 |
32 | df-fn 4905 | . 2 | |
33 | eu5 1947 | . . 3 | |
34 | 33 | ralbii 2330 | . 2 |
35 | 31, 32, 34 | 3bitr4i 201 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wb 98 wal 1241 wceq 1243 wex 1381 wcel 1393 weu 1900 wmo 1901 wral 2306 cin 2916 wss 2917 class class class wbr 3764 cdm 4345 cres 4347 wrel 4350 wfun 4896 wfn 4897 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-opab 3819 df-id 4030 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-res 4357 df-fun 4904 df-fn 4905 |
This theorem is referenced by: f1ompt 5320 |
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