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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 17825 | . 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 7608 | 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 3051 [wsbc 3728 〈cop 4573 {copab 5147 × cxp 5629 ⟶wf 6494 ‘cfv 6498 (class class class)co 7367 1st c1st 7940 2nd c2nd 7941 ↑m cmap 8773 Xcixp 8845 Basecbs 17179 Hom chom 17231 compcco 17232 Catccat 17630 Idccid 17631 Func cfunc 17821 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pr 5375 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-xp 5637 df-dm 5641 df-iota 6454 df-fv 6506 df-ov 7370 df-oprab 7371 df-mpo 7372 df-func 17825 |
| This theorem is referenced by: funcf1 17833 funcixp 17834 funcid 17837 funcco 17838 funcsect 17839 funcinv 17840 funciso 17841 funcoppc 17842 cofucl 17855 cofulid 17857 cofurid 17858 funcres 17863 funcres2b 17864 funcpropd 17869 funcres2c 17870 isfull 17879 isfth 17883 fthsect 17894 fthinv 17895 fthmon 17896 fthepi 17897 ffthiso 17898 natfval 17916 fucbas 17930 fuchom 17931 fucco 17932 fuccocl 17934 fucidcl 17935 fuclid 17936 fucrid 17937 fucass 17938 fucid 17941 fucsect 17942 fucinv 17943 invfuc 17944 fuciso 17945 funcsetcres2 18060 prfcl 18169 prf1st 18170 prf2nd 18171 curf1cl 18194 curfcl 18198 uncfval 18200 uncfcl 18201 uncf1 18202 uncf2 18203 curfuncf 18204 uncfcurf 18205 yonffthlem 18248 yoneda 18249 funcrcl2 49554 funcrcl3 49555 initc 49566 prcofpropd 49854 termc2 49993 euendfunc 50001 lanpropd 50090 ranpropd 50091 ranval3 50106 lmddu 50142 cmddu 50143 |
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