| 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 17891 | . 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 7637 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1098 = wceq 1560 ∈ wcel 2142 ∀wral 3076 [wsbc 3744 〈cop 4588 {copab 5162 × cxp 5645 ⟶wf 6517 ‘cfv 6521 (class class class)co 7396 1st c1st 7968 2nd c2nd 7969 ↑m cmap 8808 Xcixp 8879 Basecbs 17245 Hom chom 17297 compcco 17298 Catccat 17696 Idccid 17697 Func cfunc 17887 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5653 df-dm 5657 df-iota 6477 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-func 17891 |
| This theorem is referenced by: funcf1 17899 funcixp 17900 funcid 17903 funcco 17904 funcsect 17905 funcinv 17906 funciso 17907 funcoppc 17908 cofucl 17921 cofulid 17923 cofurid 17924 funcres 17929 funcres2b 17930 funcpropd 17935 funcres2c 17936 isfull 17945 isfth 17949 fthsect 17960 fthinv 17961 fthmon 17962 fthepi 17963 ffthiso 17964 natfval 17982 fucbas 17996 fuchom 17997 fucco 17998 fuccocl 18000 fucidcl 18001 fuclid 18002 fucrid 18003 fucass 18004 fucid 18007 fucsect 18008 fucinv 18009 invfuc 18010 fuciso 18011 funcsetcres2 18126 prfcl 18235 prf1st 18236 prf2nd 18237 curf1cl 18260 curfcl 18264 uncfval 18266 uncfcl 18267 uncf1 18268 uncf2 18269 curfuncf 18270 uncfcurf 18271 yonffthlem 18314 yoneda 18315 funcrcl2 49700 funcrcl3 49701 initc 49712 prcofpropd 50000 termc2 50139 euendfunc 50147 lanpropd 50236 ranpropd 50237 ranval3 50252 lmddu 50288 cmddu 50289 |
| Copyright terms: Public domain | W3C validator |