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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 17953 | . 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 8095 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ∀wral 3078 [wsbc 3742 〈cop 4593 × cxp 5657 Rel wrel 5664 ⟶wf 6533 ‘cfv 6537 (class class class)co 7417 1st c1st 7988 2nd c2nd 7989 ↑m cmap 8830 Xcixp 8908 Basecbs 17307 Hom chom 17359 compcco 17360 Catccat 17758 Idccid 17759 Func cfunc 17949 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pr 5402 ax-un 7740 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fv 6545 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1st 7990 df-2nd 7991 df-func 17953 |
| This theorem is used by: cofuval 17977 cofu1 17979 cofu2 17981 cofuval2 17982 cofucl 17983 cofuass 17984 cofulid 17985 cofurid 17986 funcres 17991 funcres2 17993 wunfunc 17996 funcpropd 17997 relfull 18005 relfth 18006 isfull 18007 isfth 18011 idffth 18030 cofull 18031 cofth 18032 ressffth 18035 isnat 18045 isnat2 18046 nat1st2nd 18049 fuccocl 18062 fucidcl 18063 fuclid 18064 fucrid 18065 fucass 18066 fucsect 18070 fucinv 18071 invfuc 18072 fuciso 18073 natpropd 18074 fucpropd 18075 catciso 18206 prfval 18293 prfcl 18297 prf1st 18298 prf2nd 18299 1st2ndprf 18300 evlfcllem 18315 evlfcl 18316 curf1cl 18322 curf2cl 18325 curfcl 18326 uncf1 18330 uncf2 18331 curfuncf 18332 uncfcurf 18333 diag1cl 18336 diag2cl 18340 curf2ndf 18341 yon1cl 18357 oyon1cl 18365 yonedalem1 18366 yonedalem21 18367 yonedalem3a 18368 yonedalem4c 18371 yonedalem22 18372 yonedalem3b 18373 yonedalem3 18374 yonedainv 18375 yonffthlem 18376 yoniso 18379 func1st2nd 50010 func1st 50011 func2nd 50012 0funcg 50019 0funcALT 50022 cofu1st2nd 50026 idfurcl 50032 oppfval 50070 oppfval2 50071 oppfoppc2 50076 funcoppc4 50078 funcoppc5 50079 oppff1 50082 oppff1o 50083 imassc 50087 imaid 50088 imaf1co 50089 imasubc3 50090 idfth 50092 upfval3 50112 up1st2nd 50119 up1st2ndr 50120 uptrlem2 50145 uptra 50149 uobeqw 50153 uobeq 50154 uptr2a 50156 natoppfb 50165 diag1 50238 fuco112 50263 fuco111 50264 fuco21 50270 fuco11bALT 50272 fuco22nat 50280 fucof21 50281 fucoid 50282 fucoid2 50283 fuco22a 50284 fucocolem4 50290 precofvalALT 50302 precofval3 50305 reldmprcof1 50315 prcoftposcurfuco 50317 prcoftposcurfucoa 50318 prcofdiag1 50327 prcofdiag 50328 oppfdiag1 50348 oppfdiag 50350 functhincfun 50383 functermc2 50443 eufunclem 50455 termcfuncval 50466 diagffth 50472 reldmlmd2 50587 reldmcmd2 50588 lmddu 50601 cmddu 50602 lmdran 50605 cmdlan 50606 |
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