| 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 17827 | . 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 7633 | 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 3045 [wsbc 3756 〈cop 4598 {copab 5172 × cxp 5639 ⟶wf 6510 ‘cfv 6514 (class class class)co 7390 1st c1st 7969 2nd c2nd 7970 ↑m cmap 8802 Xcixp 8873 Basecbs 17186 Hom chom 17238 compcco 17239 Catccat 17632 Idccid 17633 Func cfunc 17823 |
| 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 2702 ax-sep 5254 ax-nul 5264 ax-pr 5390 |
| 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 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ral 3046 df-rex 3055 df-rab 3409 df-v 3452 df-dif 3920 df-un 3922 df-ss 3934 df-nul 4300 df-if 4492 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5111 df-opab 5173 df-xp 5647 df-dm 5651 df-iota 6467 df-fv 6522 df-ov 7393 df-oprab 7394 df-mpo 7395 df-func 17827 |
| This theorem is referenced by: funcf1 17835 funcixp 17836 funcid 17839 funcco 17840 funcsect 17841 funcinv 17842 funciso 17843 funcoppc 17844 cofucl 17857 cofulid 17859 cofurid 17860 funcres 17865 funcres2b 17866 funcpropd 17871 funcres2c 17872 isfull 17881 isfth 17885 fthsect 17896 fthinv 17897 fthmon 17898 fthepi 17899 ffthiso 17900 natfval 17918 fucbas 17932 fuchom 17933 fucco 17934 fuccocl 17936 fucidcl 17937 fuclid 17938 fucrid 17939 fucass 17940 fucid 17943 fucsect 17944 fucinv 17945 invfuc 17946 fuciso 17947 funcsetcres2 18062 prfcl 18171 prf1st 18172 prf2nd 18173 curf1cl 18196 curfcl 18200 uncfval 18202 uncfcl 18203 uncf1 18204 uncf2 18205 curfuncf 18206 uncfcurf 18207 yonffthlem 18250 yoneda 18251 funcrcl2 49072 funcrcl3 49073 initc 49084 prcofpropd 49372 termc2 49511 euendfunc 49519 lanpropd 49608 ranpropd 49609 ranval3 49624 lmddu 49660 cmddu 49661 |
| Copyright terms: Public domain | W3C validator |