| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 17780 | . 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 7597 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ∀wral 3049 [wsbc 3738 〈cop 4584 {copab 5158 × cxp 5620 ⟶wf 6486 ‘cfv 6490 (class class class)co 7356 1st c1st 7929 2nd c2nd 7930 ↑m cmap 8761 Xcixp 8833 Basecbs 17134 Hom chom 17186 compcco 17187 Catccat 17585 Idccid 17586 Func cfunc 17776 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-xp 5628 df-dm 5632 df-iota 6446 df-fv 6498 df-ov 7359 df-oprab 7360 df-mpo 7361 df-func 17780 |
| This theorem is referenced by: funcf1 17788 funcixp 17789 funcid 17792 funcco 17793 funcsect 17794 funcinv 17795 funciso 17796 funcoppc 17797 cofucl 17810 cofulid 17812 cofurid 17813 funcres 17818 funcres2b 17819 funcpropd 17824 funcres2c 17825 isfull 17834 isfth 17838 fthsect 17849 fthinv 17850 fthmon 17851 fthepi 17852 ffthiso 17853 natfval 17871 fucbas 17885 fuchom 17886 fucco 17887 fuccocl 17889 fucidcl 17890 fuclid 17891 fucrid 17892 fucass 17893 fucid 17896 fucsect 17897 fucinv 17898 invfuc 17899 fuciso 17900 funcsetcres2 18015 prfcl 18124 prf1st 18125 prf2nd 18126 curf1cl 18149 curfcl 18153 uncfval 18155 uncfcl 18156 uncf1 18157 uncf2 18158 curfuncf 18159 uncfcurf 18160 yonffthlem 18203 yoneda 18204 funcrcl2 49266 funcrcl3 49267 initc 49278 prcofpropd 49566 termc2 49705 euendfunc 49713 lanpropd 49802 ranpropd 49803 ranval3 49818 lmddu 49854 cmddu 49855 |
| Copyright terms: Public domain | W3C validator |