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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 17819 | . 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 7602 | 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 3729 〈cop 4574 {copab 5148 × cxp 5623 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 1st c1st 7934 2nd c2nd 7935 ↑m cmap 8767 Xcixp 8839 Basecbs 17173 Hom chom 17225 compcco 17226 Catccat 17624 Idccid 17625 Func cfunc 17815 |
| 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 5232 ax-nul 5242 ax-pr 5371 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-xp 5631 df-dm 5635 df-iota 6449 df-fv 6501 df-ov 7364 df-oprab 7365 df-mpo 7366 df-func 17819 |
| This theorem is referenced by: funcf1 17827 funcixp 17828 funcid 17831 funcco 17832 funcsect 17833 funcinv 17834 funciso 17835 funcoppc 17836 cofucl 17849 cofulid 17851 cofurid 17852 funcres 17857 funcres2b 17858 funcpropd 17863 funcres2c 17864 isfull 17873 isfth 17877 fthsect 17888 fthinv 17889 fthmon 17890 fthepi 17891 ffthiso 17892 natfval 17910 fucbas 17924 fuchom 17925 fucco 17926 fuccocl 17928 fucidcl 17929 fuclid 17930 fucrid 17931 fucass 17932 fucid 17935 fucsect 17936 fucinv 17937 invfuc 17938 fuciso 17939 funcsetcres2 18054 prfcl 18163 prf1st 18164 prf2nd 18165 curf1cl 18188 curfcl 18192 uncfval 18194 uncfcl 18195 uncf1 18196 uncf2 18197 curfuncf 18198 uncfcurf 18199 yonffthlem 18242 yoneda 18243 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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