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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 16341 | . 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 | elmpt2cl 6774 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∧ w3a 1031 = wceq 1475 ∈ wcel 1977 ∀wral 2896 [wsbc 3402 〈cop 4131 {copab 4642 × cxp 5036 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 1st c1st 7057 2nd c2nd 7058 ↑𝑚 cmap 7744 Xcixp 7794 Basecbs 15695 Hom chom 15779 compcco 15780 Catccat 16148 Idccid 16149 Func cfunc 16337 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-xp 5044 df-dm 5048 df-iota 5768 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-func 16341 |
This theorem is referenced by: funcf1 16349 funcixp 16350 funcid 16353 funcco 16354 funcsect 16355 funcinv 16356 funciso 16357 funcoppc 16358 cofucl 16371 cofulid 16373 cofurid 16374 funcres 16379 funcres2b 16380 funcpropd 16383 funcres2c 16384 isfull 16393 isfth 16397 fthsect 16408 fthinv 16409 fthmon 16410 fthepi 16411 ffthiso 16412 natfval 16429 fucbas 16443 fuchom 16444 fucco 16445 fuccocl 16447 fucidcl 16448 fuclid 16449 fucrid 16450 fucass 16451 fucid 16454 fucsect 16455 fucinv 16456 invfuc 16457 fuciso 16458 funcsetcres2 16566 prfcl 16666 prf1st 16667 prf2nd 16668 curf1cl 16691 curfcl 16695 uncfval 16697 uncfcl 16698 uncf1 16699 uncf2 16700 curfuncf 16701 uncfcurf 16702 yonffthlem 16745 yoneda 16746 |
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