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| Mirrors > Home > MPE Home > Th. List > relfunc | Structured version Visualization version GIF version | ||
| Description: The set of functors is a relation. (Contributed by Mario Carneiro, 2-Jan-2017.) |
| Ref | Expression |
|---|---|
| relfunc | ⊢ Rel (𝐷 Func 𝐸) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-func 17794 | . 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 | relmpoopab 8046 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∀wral 3052 [wsbc 3742 〈cop 4588 × cxp 5630 Rel wrel 5637 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 1st c1st 7941 2nd c2nd 7942 ↑m cmap 8775 Xcixp 8847 Basecbs 17148 Hom chom 17200 compcco 17201 Catccat 17599 Idccid 17600 Func cfunc 17790 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1st 7943 df-2nd 7944 df-func 17794 |
| This theorem is referenced by: cofuval 17818 cofu1 17820 cofu2 17822 cofuval2 17823 cofucl 17824 cofuass 17825 cofulid 17826 cofurid 17827 funcres 17832 funcres2 17834 wunfunc 17837 funcpropd 17838 relfull 17846 relfth 17847 isfull 17848 isfth 17852 idffth 17871 cofull 17872 cofth 17873 ressffth 17876 isnat 17886 isnat2 17887 nat1st2nd 17890 fuccocl 17903 fucidcl 17904 fuclid 17905 fucrid 17906 fucass 17907 fucsect 17911 fucinv 17912 invfuc 17913 fuciso 17914 natpropd 17915 fucpropd 17916 catciso 18047 prfval 18134 prfcl 18138 prf1st 18139 prf2nd 18140 1st2ndprf 18141 evlfcllem 18156 evlfcl 18157 curf1cl 18163 curf2cl 18166 curfcl 18167 uncf1 18171 uncf2 18172 curfuncf 18173 uncfcurf 18174 diag1cl 18177 diag2cl 18181 curf2ndf 18182 yon1cl 18198 oyon1cl 18206 yonedalem1 18207 yonedalem21 18208 yonedalem3a 18209 yonedalem4c 18212 yonedalem22 18213 yonedalem3b 18214 yonedalem3 18215 yonedainv 18216 yonffthlem 18217 yoniso 18220 func1st2nd 49429 func1st 49430 func2nd 49431 0funcg 49438 0funcALT 49441 cofu1st2nd 49445 idfurcl 49451 oppfval 49489 oppfval2 49490 oppfoppc2 49495 funcoppc4 49497 funcoppc5 49498 oppff1 49501 oppff1o 49502 imassc 49506 imaid 49507 imaf1co 49508 imasubc3 49509 idfth 49511 upfval3 49531 up1st2nd 49538 up1st2ndr 49539 uptrlem2 49564 uptra 49568 uobeqw 49572 uobeq 49573 uptr2a 49575 natoppfb 49584 diag1 49657 fuco112 49682 fuco111 49683 fuco21 49689 fuco11bALT 49691 fuco22nat 49699 fucof21 49700 fucoid 49701 fucoid2 49702 fuco22a 49703 fucocolem4 49709 precofvalALT 49721 precofval3 49724 reldmprcof1 49734 prcoftposcurfuco 49736 prcoftposcurfucoa 49737 prcofdiag1 49746 prcofdiag 49747 oppfdiag1 49767 oppfdiag 49769 functhincfun 49802 functermc2 49862 eufunclem 49874 termcfuncval 49885 diagffth 49891 reldmlmd2 50006 reldmcmd2 50007 lmddu 50020 cmddu 50021 lmdran 50024 cmdlan 50025 |
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