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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 18065 | . 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 8134 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ∀wral 3080 [wsbc 3742 〈cop 4838 × cxp 5654 Rel wrel 5661 ⟶wf 6557 ‘cfv 6561 (class class class)co 7446 1st c1st 8026 2nd c2nd 8027 ↑m cmap 8878 Xcixp 8956 Basecbs 17419 Hom chom 17471 compcco 17472 Catccat 17870 Idccid 17871 Func cfunc 18061 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pr 5396 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-xp 5662 df-rel 5663 df-cnv 5664 df-dm 5666 df-rn 5667 df-iota 6515 df-fv 6569 df-ov 7449 df-oprab 7450 df-mpo 7451 df-func 18065 |
| This theorem is used by: cofuval 18089 cofu1 18091 cofu2 18093 cofuval2 18094 cofucl 18095 cofuass 18096 cofulid 18097 cofurid 18098 funcres 18103 funcres2 18105 wunfunc 18108 funcpropd 18109 relfull 18117 relfth 18118 isfull 18119 isfth 18123 idffth 18142 cofull 18143 cofth 18144 ressffth 18147 isnat 18157 isnat2 18158 nat1st2nd 18161 fuccocl 18174 fucidcl 18175 fuclid 18176 fucrid 18177 fucass 18178 fucsect 18182 fucinv 18183 invfuc 18184 fuciso 18185 natpropd 18186 fucpropd 18187 catciso 18318 prfval 18405 prfcl 18409 prf1st 18410 prf2nd 18411 1st2ndprf 18412 evlfcllem 18427 evlfcl 18428 curf1cl 18434 curf2cl 18437 curfcl 18438 uncf1 18442 uncf2 18443 curfuncf 18444 uncfcurf 18445 diag1cl 18448 diag2cl 18452 curf2ndf 18453 yon1cl 18469 oyon1cl 18477 yonedalem1 18478 yonedalem21 18479 yonedalem3a 18480 yonedalem4c 18483 yonedalem22 18484 yonedalem3b 18485 yonedalem3 18486 yonedainv 18487 yonffthlem 18488 yoniso 18491 func1st2nd 50405 func1st 50406 func2nd 50407 0funcg 50415 0funcALT 50418 cofu1st2nd 50422 idfurcl 50429 oppfval 50467 oppfval2 50468 oppfoppc2 50473 funcoppc4 50475 funcoppc5 50476 oppff1 50479 oppff1o 50480 imassc 50484 imaid 50485 imaf1co 50486 imasubc3 50487 idfth 50489 upfval3 50509 up1st2nd 50516 up1st2ndr 50517 uptrlem2 50542 uptra 50546 uobeqw 50550 uobeq 50551 uptr2a 50553 natoppfb 50568 diag1 50641 fuco112 50666 fuco111 50667 fuco21 50673 fuco11bALT 50675 fuco22nat 50683 fucof21 50684 fucoid 50685 fucoid2 50686 fuco22a 50687 fucocolem4 50693 precofvalALT 50718 precofval3 50721 reldmprcof1 50731 prcoftposcurfuco 50733 prcoftposcurfucoa 50734 prcofdiag1 50743 prcofdiag 50744 oppfdiag1 50764 oppfdiag 50766 functhincfun 50799 functermc2 50859 eufunclem 50871 termcfuncval 50882 diagffth 50891 reldmlmd2 51051 reldmcmd2 51052 lmddu 51065 cmddu 51066 lmdran 51069 cmdlan 51070 |
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