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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 17573 | . 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 7511 | 1 ⊢ (𝐹 ∈ (𝐷 Func 𝐸) → (𝐷 ∈ Cat ∧ 𝐸 ∈ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ∀wral 3064 [wsbc 3716 〈cop 4567 {copab 5136 × cxp 5587 ⟶wf 6429 ‘cfv 6433 (class class class)co 7275 1st c1st 7829 2nd c2nd 7830 ↑m cmap 8615 Xcixp 8685 Basecbs 16912 Hom chom 16973 compcco 16974 Catccat 17373 Idccid 17374 Func cfunc 17569 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-xp 5595 df-dm 5599 df-iota 6391 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-func 17573 |
This theorem is referenced by: funcf1 17581 funcixp 17582 funcid 17585 funcco 17586 funcsect 17587 funcinv 17588 funciso 17589 funcoppc 17590 cofucl 17603 cofulid 17605 cofurid 17606 funcres 17611 funcres2b 17612 funcpropd 17616 funcres2c 17617 isfull 17626 isfth 17630 fthsect 17641 fthinv 17642 fthmon 17643 fthepi 17644 ffthiso 17645 natfval 17662 fucbas 17677 fuchom 17678 fuchomOLD 17679 fucco 17680 fuccocl 17682 fucidcl 17683 fuclid 17684 fucrid 17685 fucass 17686 fucid 17689 fucsect 17690 fucinv 17691 invfuc 17692 fuciso 17693 funcsetcres2 17808 prfcl 17920 prf1st 17921 prf2nd 17922 curf1cl 17946 curfcl 17950 uncfval 17952 uncfcl 17953 uncf1 17954 uncf2 17955 curfuncf 17956 uncfcurf 17957 yonffthlem 18000 yoneda 18001 |
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