Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > afvres | Structured version Visualization version Unicode version |
Description: The value of a restricted function, analogous to fvres 6207. (Contributed by Alexander van der Vekens, 22-Jul-2017.) |
Ref | Expression |
---|---|
afvres | ''' ''' |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elin 3796 | . . . . . . . . 9 | |
2 | 1 | biimpri 218 | . . . . . . . 8 |
3 | dmres 5419 | . . . . . . . 8 | |
4 | 2, 3 | syl6eleqr 2712 | . . . . . . 7 |
5 | 4 | ex 450 | . . . . . 6 |
6 | snssi 4339 | . . . . . . . . . 10 | |
7 | 6 | resabs1d 5428 | . . . . . . . . 9 |
8 | 7 | eqcomd 2628 | . . . . . . . 8 |
9 | 8 | funeqd 5910 | . . . . . . 7 |
10 | 9 | biimpd 219 | . . . . . 6 |
11 | 5, 10 | anim12d 586 | . . . . 5 |
12 | 11 | impcom 446 | . . . 4 |
13 | df-dfat 41196 | . . . . 5 defAt | |
14 | afvfundmfveq 41218 | . . . . 5 defAt ''' | |
15 | 13, 14 | sylbir 225 | . . . 4 ''' |
16 | 12, 15 | syl 17 | . . 3 ''' |
17 | fvres 6207 | . . . 4 | |
18 | 17 | adantl 482 | . . 3 |
19 | df-dfat 41196 | . . . . . 6 defAt | |
20 | afvfundmfveq 41218 | . . . . . 6 defAt ''' | |
21 | 19, 20 | sylbir 225 | . . . . 5 ''' |
22 | 21 | eqcomd 2628 | . . . 4 ''' |
23 | 22 | adantr 481 | . . 3 ''' |
24 | 16, 18, 23 | 3eqtrd 2660 | . 2 ''' ''' |
25 | pm3.4 584 | . . . . . . . . . 10 | |
26 | 1, 25 | sylbi 207 | . . . . . . . . 9 |
27 | 26, 3 | eleq2s 2719 | . . . . . . . 8 |
28 | 27 | com12 32 | . . . . . . 7 |
29 | 7 | funeqd 5910 | . . . . . . . 8 |
30 | 29 | biimpd 219 | . . . . . . 7 |
31 | 28, 30 | anim12d 586 | . . . . . 6 |
32 | 31 | con3d 148 | . . . . 5 |
33 | 32 | impcom 446 | . . . 4 |
34 | afvnfundmuv 41219 | . . . . 5 defAt ''' | |
35 | 13, 34 | sylnbir 321 | . . . 4 ''' |
36 | 33, 35 | syl 17 | . . 3 ''' |
37 | afvnfundmuv 41219 | . . . . . 6 defAt ''' | |
38 | 19, 37 | sylnbir 321 | . . . . 5 ''' |
39 | 38 | eqcomd 2628 | . . . 4 ''' |
40 | 39 | adantr 481 | . . 3 ''' |
41 | 36, 40 | eqtrd 2656 | . 2 ''' ''' |
42 | 24, 41 | pm2.61ian 831 | 1 ''' ''' |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wa 384 wceq 1483 wcel 1990 cvv 3200 cin 3573 csn 4177 cdm 5114 cres 5116 wfun 5882 cfv 5888 defAt wdfat 41193 '''cafv 41194 |
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-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-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-res 5126 df-iota 5851 df-fun 5890 df-fv 5896 df-dfat 41196 df-afv 41197 |
This theorem is referenced by: (None) |
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