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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 17910 | . 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 7651 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ∀wral 3079 [wsbc 3744 〈cop 4595 {copab 5173 × cxp 5659 ⟶wf 6532 ‘cfv 6536 (class class class)co 7410 1st c1st 7980 2nd c2nd 7981 ↑m cmap 8820 Xcixp 8891 Basecbs 17264 Hom chom 17316 compcco 17317 Catccat 17715 Idccid 17716 Func cfunc 17906 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-xp 5667 df-dm 5671 df-iota 6492 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-func 17910 |
| This theorem is referenced by: funcf1 17918 funcixp 17919 funcid 17922 funcco 17923 funcsect 17924 funcinv 17925 funciso 17926 funcoppc 17927 cofucl 17940 cofulid 17942 cofurid 17943 funcres 17948 funcres2b 17949 funcpropd 17954 funcres2c 17955 isfull 17964 isfth 17968 fthsect 17979 fthinv 17980 fthmon 17981 fthepi 17982 ffthiso 17983 natfval 18001 fucbas 18015 fuchom 18016 fucco 18017 fuccocl 18019 fucidcl 18020 fuclid 18021 fucrid 18022 fucass 18023 fucid 18026 fucsect 18027 fucinv 18028 invfuc 18029 fuciso 18030 funcsetcres2 18145 prfcl 18254 prf1st 18255 prf2nd 18256 curf1cl 18279 curfcl 18283 uncfval 18285 uncfcl 18286 uncf1 18287 uncf2 18288 curfuncf 18289 uncfcurf 18290 yonffthlem 18333 yoneda 18334 funcrcl2 49857 funcrcl3 49858 initc 49869 prcofpropd 50157 termc2 50296 euendfunc 50304 lanpropd 50393 ranpropd 50394 ranval3 50409 lmddu 50445 cmddu 50446 |
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