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| Mirrors > Home > MPE Home > Th. List > funcrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for a functor. (Contributed by Mario Carneiro, 6-Jan-2017.) |
| Ref | Expression |
|---|---|
| funcrcl | ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-func 17794 | . 2 ⊢ Func = (𝑡 ∈ Cat, 𝑢 ∈ Cat ↦ {〈𝑓, 𝑔〉 ∣ [(Base‘𝑡) / 𝑏](𝑓:𝑏⟶(Base‘𝑢) ∧ 𝑔 ∈ X𝑧 ∈ (𝑏 × 𝑏)(((𝑓‘(1st ‘𝑧))(Hom ‘𝑢)(𝑓‘(2nd ‘𝑧))) ↑m ((Hom ‘𝑡)‘𝑧)) ∧ ∀𝑥 ∈ 𝑏 (((𝑥𝑔𝑥)‘((Id‘𝑡)‘𝑥)) = ((Id‘𝑢)‘(𝑓‘𝑥)) ∧ ∀𝑦 ∈ 𝑏 ∀𝑧 ∈ 𝑏 ∀𝑚 ∈ (𝑥(Hom ‘𝑡)𝑦)∀𝑛 ∈ (𝑦(Hom ‘𝑡)𝑧)((𝑥𝑔𝑧)‘(𝑛(〈𝑥, 𝑦〉(comp‘𝑡)𝑧)𝑚)) = (((𝑦𝑔𝑧)‘𝑛)(〈(𝑓‘𝑥), (𝑓‘𝑦)〉(comp‘𝑢)(𝑓‘𝑧))((𝑥𝑔𝑦)‘𝑚))))}) | |
| 2 | 1 | elmpocl 7609 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∀wral 3052 [wsbc 3742 〈cop 4588 {copab 5162 × cxp 5630 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 1st c1st 7941 2nd c2nd 7942 ↑m cmap 8775 Xcixp 8847 Basecbs 17148 Hom chom 17200 compcco 17201 Catccat 17599 Idccid 17600 Func cfunc 17790 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-dm 5642 df-iota 6456 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-func 17794 |
| This theorem is referenced by: funcf1 17802 funcixp 17803 funcid 17806 funcco 17807 funcsect 17808 funcinv 17809 funciso 17810 funcoppc 17811 cofucl 17824 cofulid 17826 cofurid 17827 funcres 17832 funcres2b 17833 funcpropd 17838 funcres2c 17839 isfull 17848 isfth 17852 fthsect 17863 fthinv 17864 fthmon 17865 fthepi 17866 ffthiso 17867 natfval 17885 fucbas 17899 fuchom 17900 fucco 17901 fuccocl 17903 fucidcl 17904 fuclid 17905 fucrid 17906 fucass 17907 fucid 17910 fucsect 17911 fucinv 17912 invfuc 17913 fuciso 17914 funcsetcres2 18029 prfcl 18138 prf1st 18139 prf2nd 18140 curf1cl 18163 curfcl 18167 uncfval 18169 uncfcl 18170 uncf1 18171 uncf2 18172 curfuncf 18173 uncfcurf 18174 yonffthlem 18217 yoneda 18218 funcrcl2 49438 funcrcl3 49439 initc 49450 prcofpropd 49738 termc2 49877 euendfunc 49885 lanpropd 49974 ranpropd 49975 ranval3 49990 lmddu 50026 cmddu 50027 |
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