Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > afvco2 | Structured version Visualization version Unicode version |
Description: Value of a function composition, analogous to fvco2 6273. (Contributed by Alexander van der Vekens, 23-Jul-2017.) |
Ref | Expression |
---|---|
afvco2 | ''' '''''' |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvco2 6273 | . . . . 5 | |
2 | 1 | adantl 482 | . . . 4 |
3 | simpll 790 | . . . . . 6 | |
4 | df-fn 5891 | . . . . . . . . 9 | |
5 | simpll 790 | . . . . . . . . . 10 | |
6 | eleq2 2690 | . . . . . . . . . . . . . 14 | |
7 | 6 | eqcoms 2630 | . . . . . . . . . . . . 13 |
8 | 7 | biimpd 219 | . . . . . . . . . . . 12 |
9 | 8 | adantl 482 | . . . . . . . . . . 11 |
10 | 9 | imp 445 | . . . . . . . . . 10 |
11 | 5, 10 | jca 554 | . . . . . . . . 9 |
12 | 4, 11 | sylanb 489 | . . . . . . . 8 |
13 | 12 | adantl 482 | . . . . . . 7 |
14 | dmfco 6272 | . . . . . . 7 | |
15 | 13, 14 | syl 17 | . . . . . 6 |
16 | 3, 15 | mpbird 247 | . . . . 5 |
17 | funcoressn 41207 | . . . . 5 | |
18 | df-dfat 41196 | . . . . . 6 defAt | |
19 | afvfundmfveq 41218 | . . . . . 6 defAt ''' | |
20 | 18, 19 | sylbir 225 | . . . . 5 ''' |
21 | 16, 17, 20 | syl2anc 693 | . . . 4 ''' |
22 | df-dfat 41196 | . . . . . 6 defAt | |
23 | afvfundmfveq 41218 | . . . . . 6 defAt ''' | |
24 | 22, 23 | sylbir 225 | . . . . 5 ''' |
25 | 24 | adantr 481 | . . . 4 ''' |
26 | 2, 21, 25 | 3eqtr4d 2666 | . . 3 ''' ''' |
27 | ianor 509 | . . . . . 6 | |
28 | 14 | funfni 5991 | . . . . . . . . . . 11 |
29 | 28 | bicomd 213 | . . . . . . . . . 10 |
30 | 29 | notbid 308 | . . . . . . . . 9 |
31 | 30 | biimpd 219 | . . . . . . . 8 |
32 | ndmafv 41220 | . . . . . . . 8 ''' | |
33 | 31, 32 | syl6com 37 | . . . . . . 7 ''' |
34 | funressnfv 41208 | . . . . . . . . . . . 12 | |
35 | 34 | ex 450 | . . . . . . . . . . 11 |
36 | afvnfundmuv 41219 | . . . . . . . . . . . 12 defAt ''' | |
37 | 18, 36 | sylnbir 321 | . . . . . . . . . . 11 ''' |
38 | 35, 37 | nsyl4 156 | . . . . . . . . . 10 ''' |
39 | 38 | com12 32 | . . . . . . . . 9 ''' |
40 | 39 | con1d 139 | . . . . . . . 8 ''' |
41 | 40 | com12 32 | . . . . . . 7 ''' |
42 | 33, 41 | jaoi 394 | . . . . . 6 ''' |
43 | 27, 42 | sylbi 207 | . . . . 5 ''' |
44 | 43 | imp 445 | . . . 4 ''' |
45 | afvnfundmuv 41219 | . . . . . . 7 defAt ''' | |
46 | 22, 45 | sylnbir 321 | . . . . . 6 ''' |
47 | 46 | eqcomd 2628 | . . . . 5 ''' |
48 | 47 | adantr 481 | . . . 4 ''' |
49 | 44, 48 | eqtrd 2656 | . . 3 ''' ''' |
50 | 26, 49 | pm2.61ian 831 | . 2 ''' ''' |
51 | eqidd 2623 | . . 3 | |
52 | 4, 9 | sylbi 207 | . . . . . 6 |
53 | 52 | imp 445 | . . . . 5 |
54 | fnfun 5988 | . . . . . . 7 | |
55 | funres 5929 | . . . . . . 7 | |
56 | 54, 55 | syl 17 | . . . . . 6 |
57 | 56 | adantr 481 | . . . . 5 |
58 | df-dfat 41196 | . . . . . 6 defAt | |
59 | afvfundmfveq 41218 | . . . . . 6 defAt ''' | |
60 | 58, 59 | sylbir 225 | . . . . 5 ''' |
61 | 53, 57, 60 | syl2anc 693 | . . . 4 ''' |
62 | 61 | eqcomd 2628 | . . 3 ''' |
63 | 51, 62 | afveq12d 41213 | . 2 ''' '''''' |
64 | 50, 63 | eqtrd 2656 | 1 ''' '''''' |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wo 383 wa 384 wceq 1483 wcel 1990 cvv 3200 csn 4177 cdm 5114 cres 5116 ccom 5118 wfun 5882 wfn 5883 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-8 1992 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-pow 4843 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-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 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-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-fv 5896 df-dfat 41196 df-afv 41197 |
This theorem is referenced by: (None) |
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