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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 17820 | . 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 7630 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 ∀wral 3044 [wsbc 3753 〈cop 4595 {copab 5169 × cxp 5636 ⟶wf 6507 ‘cfv 6511 (class class class)co 7387 1st c1st 7966 2nd c2nd 7967 ↑m cmap 8799 Xcixp 8870 Basecbs 17179 Hom chom 17231 compcco 17232 Catccat 17625 Idccid 17626 Func cfunc 17816 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pr 5387 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ral 3045 df-rex 3054 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-ss 3931 df-nul 4297 df-if 4489 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-xp 5644 df-dm 5648 df-iota 6464 df-fv 6519 df-ov 7390 df-oprab 7391 df-mpo 7392 df-func 17820 |
| This theorem is referenced by: funcf1 17828 funcixp 17829 funcid 17832 funcco 17833 funcsect 17834 funcinv 17835 funciso 17836 funcoppc 17837 cofucl 17850 cofulid 17852 cofurid 17853 funcres 17858 funcres2b 17859 funcpropd 17864 funcres2c 17865 isfull 17874 isfth 17878 fthsect 17889 fthinv 17890 fthmon 17891 fthepi 17892 ffthiso 17893 natfval 17911 fucbas 17925 fuchom 17926 fucco 17927 fuccocl 17929 fucidcl 17930 fuclid 17931 fucrid 17932 fucass 17933 fucid 17936 fucsect 17937 fucinv 17938 invfuc 17939 fuciso 17940 funcsetcres2 18055 prfcl 18164 prf1st 18165 prf2nd 18166 curf1cl 18189 curfcl 18193 uncfval 18195 uncfcl 18196 uncf1 18197 uncf2 18198 curfuncf 18199 uncfcurf 18200 yonffthlem 18243 yoneda 18244 funcrcl2 49068 funcrcl3 49069 initc 49080 prcofpropd 49368 termc2 49507 euendfunc 49515 lanpropd 49604 ranpropd 49605 ranval3 49620 lmddu 49656 cmddu 49657 |
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