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Mirrors > Home > MPE Home > Th. List > cofu2nd | Structured version Visualization version Unicode version |
Description: Value of the morphism part of the functor composition. (Contributed by Mario Carneiro, 3-Jan-2017.) |
Ref | Expression |
---|---|
cofuval.b | |
cofuval.f | |
cofuval.g | |
cofu2nd.x | |
cofu2nd.y |
Ref | Expression |
---|---|
cofu2nd | func |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cofuval.b | . . . . 5 | |
2 | cofuval.f | . . . . 5 | |
3 | cofuval.g | . . . . 5 | |
4 | 1, 2, 3 | cofuval 16542 | . . . 4 func |
5 | 4 | fveq2d 6195 | . . 3 func |
6 | fvex 6201 | . . . . 5 | |
7 | fvex 6201 | . . . . 5 | |
8 | 6, 7 | coex 7118 | . . . 4 |
9 | fvex 6201 | . . . . . 6 | |
10 | 1, 9 | eqeltri 2697 | . . . . 5 |
11 | 10, 10 | mpt2ex 7247 | . . . 4 |
12 | 8, 11 | op2nd 7177 | . . 3 |
13 | 5, 12 | syl6eq 2672 | . 2 func |
14 | simprl 794 | . . . . 5 | |
15 | 14 | fveq2d 6195 | . . . 4 |
16 | simprr 796 | . . . . 5 | |
17 | 16 | fveq2d 6195 | . . . 4 |
18 | 15, 17 | oveq12d 6668 | . . 3 |
19 | 14, 16 | oveq12d 6668 | . . 3 |
20 | 18, 19 | coeq12d 5286 | . 2 |
21 | cofu2nd.x | . 2 | |
22 | cofu2nd.y | . 2 | |
23 | ovex 6678 | . . . 4 | |
24 | ovex 6678 | . . . 4 | |
25 | 23, 24 | coex 7118 | . . 3 |
26 | 25 | a1i 11 | . 2 |
27 | 13, 20, 21, 22, 26 | ovmpt2d 6788 | 1 func |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 cvv 3200 cop 4183 ccom 5118 cfv 5888 (class class class)co 6650 cmpt2 6652 c1st 7166 c2nd 7167 cbs 15857 cfunc 16514 func ccofu 16516 |
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-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
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-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 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-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-map 7859 df-ixp 7909 df-func 16518 df-cofu 16520 |
This theorem is referenced by: cofu2 16546 cofucl 16548 cofuass 16549 cofull 16594 cofth 16595 catciso 16757 |
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