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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 18083 | . 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 7694 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ∀wral 3080 [wsbc 3742 〈cop 4840 {copab 5173 × cxp 5656 ⟶wf 6562 ‘cfv 6566 (class class class)co 7451 1st c1st 8033 2nd c2nd 8034 ↑m cmap 8885 Xcixp 8963 Basecbs 17431 Hom chom 17483 compcco 17484 Catccat 17888 Idccid 17889 Func cfunc 18079 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-xp 5664 df-dm 5668 df-iota 6520 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-func 18083 |
| This theorem is used by: funcf1 18091 funcixp 18092 funcid 18095 funcco 18096 funcsect 18097 funcinv 18098 funciso 18099 funcoppc 18100 cofucl 18113 cofulid 18115 cofurid 18116 funcres 18121 funcres2b 18122 funcpropd 18127 funcres2c 18128 isfull 18137 isfth 18141 fthsect 18152 fthinv 18153 fthmon 18154 fthepi 18155 ffthiso 18156 natfval 18174 fucbas 18188 fuchom 18189 fucco 18190 fuccocl 18192 fucidcl 18193 fuclid 18194 fucrid 18195 fucass 18196 fucid 18199 fucsect 18200 fucinv 18201 invfuc 18202 fuciso 18203 funcsetcres2 18318 prfcl 18427 prf1st 18428 prf2nd 18429 curf1cl 18452 curfcl 18456 uncfval 18458 uncfcl 18459 uncf1 18460 uncf2 18461 curfuncf 18462 uncfcurf 18463 yonffthlem 18506 yoneda 18507 funcrcl2 50524 funcrcl3 50525 initc 50537 prcofpropd 50845 termc2 50984 euendfunc 50992 lanpropd 51129 ranpropd 51130 ranval3 51145 lmddu 51181 cmddu 51182 |
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