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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 17816 | . 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 7597 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ∀wral 3053 [wsbc 3723 〈cop 4561 {copab 5134 × cxp 5616 ⟶wf 6481 ‘cfv 6485 (class class class)co 7356 1st c1st 7929 2nd c2nd 7930 ↑m cmap 8763 Xcixp 8835 Basecbs 17170 Hom chom 17222 compcco 17223 Catccat 17621 Idccid 17622 Func cfunc 17812 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-xp 5624 df-dm 5628 df-iota 6441 df-fv 6493 df-ov 7359 df-oprab 7360 df-mpo 7361 df-func 17816 |
| This theorem is referenced by: funcf1 17824 funcixp 17825 funcid 17828 funcco 17829 funcsect 17830 funcinv 17831 funciso 17832 funcoppc 17833 cofucl 17846 cofulid 17848 cofurid 17849 funcres 17854 funcres2b 17855 funcpropd 17860 funcres2c 17861 isfull 17870 isfth 17874 fthsect 17885 fthinv 17886 fthmon 17887 fthepi 17888 ffthiso 17889 natfval 17907 fucbas 17921 fuchom 17922 fucco 17923 fuccocl 17925 fucidcl 17926 fuclid 17927 fucrid 17928 fucass 17929 fucid 17932 fucsect 17933 fucinv 17934 invfuc 17935 fuciso 17936 funcsetcres2 18051 prfcl 18160 prf1st 18161 prf2nd 18162 curf1cl 18185 curfcl 18189 uncfval 18191 uncfcl 18192 uncf1 18193 uncf2 18194 curfuncf 18195 uncfcurf 18196 yonffthlem 18239 yoneda 18240 funcrcl2 49569 funcrcl3 49570 initc 49581 prcofpropd 49869 termc2 50008 euendfunc 50016 lanpropd 50105 ranpropd 50106 ranval3 50121 lmddu 50157 cmddu 50158 |
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