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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 17130 | . 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 7389 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 ∀wral 3140 [wsbc 3774 〈cop 4575 {copab 5130 × cxp 5555 ⟶wf 6353 ‘cfv 6357 (class class class)co 7158 1st c1st 7689 2nd c2nd 7690 ↑m cmap 8408 Xcixp 8463 Basecbs 16485 Hom chom 16578 compcco 16579 Catccat 16937 Idccid 16938 Func cfunc 17126 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-opab 5131 df-xp 5563 df-dm 5567 df-iota 6316 df-fv 6365 df-ov 7161 df-oprab 7162 df-mpo 7163 df-func 17130 |
This theorem is referenced by: funcf1 17138 funcixp 17139 funcid 17142 funcco 17143 funcsect 17144 funcinv 17145 funciso 17146 funcoppc 17147 cofucl 17160 cofulid 17162 cofurid 17163 funcres 17168 funcres2b 17169 funcpropd 17172 funcres2c 17173 isfull 17182 isfth 17186 fthsect 17197 fthinv 17198 fthmon 17199 fthepi 17200 ffthiso 17201 natfval 17218 fucbas 17232 fuchom 17233 fucco 17234 fuccocl 17236 fucidcl 17237 fuclid 17238 fucrid 17239 fucass 17240 fucid 17243 fucsect 17244 fucinv 17245 invfuc 17246 fuciso 17247 funcsetcres2 17355 prfcl 17455 prf1st 17456 prf2nd 17457 curf1cl 17480 curfcl 17484 uncfval 17486 uncfcl 17487 uncf1 17488 uncf2 17489 curfuncf 17490 uncfcurf 17491 yonffthlem 17534 yoneda 17535 |
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