| 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 18042 | . 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 7666 | 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 1569 ∈ wcel 2144 ∀wral 3076 [wsbc 3738 〈cop 4834 {copab 5166 × cxp 5649 ⟶wf 6539 ‘cfv 6543 (class class class)co 7424 1st c1st 8003 2nd c2nd 8004 ↑m cmap 8854 Xcixp 8932 Basecbs 17396 Hom chom 17448 compcco 17449 Catccat 17847 Idccid 17848 Func cfunc 18038 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5657 df-dm 5661 df-iota 6497 df-fv 6551 df-ov 7427 df-oprab 7428 df-mpo 7429 df-func 18042 |
| This theorem is used by: funcf1 18050 funcixp 18051 funcid 18054 funcco 18055 funcsect 18056 funcinv 18057 funciso 18058 funcoppc 18059 cofucl 18072 cofulid 18074 cofurid 18075 funcres 18080 funcres2b 18081 funcpropd 18086 funcres2c 18087 isfull 18096 isfth 18100 fthsect 18111 fthinv 18112 fthmon 18113 fthepi 18114 ffthiso 18115 natfval 18133 fucbas 18147 fuchom 18148 fucco 18149 fuccocl 18151 fucidcl 18152 fuclid 18153 fucrid 18154 fucass 18155 fucid 18158 fucsect 18159 fucinv 18160 invfuc 18161 fuciso 18162 funcsetcres2 18277 prfcl 18386 prf1st 18387 prf2nd 18388 curf1cl 18411 curfcl 18415 uncfval 18417 uncfcl 18418 uncf1 18419 uncf2 18420 curfuncf 18421 uncfcurf 18422 yonffthlem 18465 yoneda 18466 funcrcl2 50301 funcrcl3 50302 initc 50314 prcofpropd 50622 termc2 50761 euendfunc 50769 lanpropd 50906 ranpropd 50907 ranval3 50922 lmddu 50958 cmddu 50959 |
| Copyright terms: Public domain | W3C validator |