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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 17916 | . 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 8090 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 400 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ∀wral 3079 [wsbc 3745 〈cop 4596 × cxp 5661 Rel wrel 5668 ⟶wf 6534 ‘cfv 6538 (class class class)co 7412 1st c1st 7985 2nd c2nd 7986 ↑m cmap 8825 Xcixp 8896 Basecbs 17270 Hom chom 17322 compcco 17323 Catccat 17721 Idccid 17722 Func cfunc 17912 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1st 7987 df-2nd 7988 df-func 17916 |
| This theorem is referenced by: cofuval 17940 cofu1 17942 cofu2 17944 cofuval2 17945 cofucl 17946 cofuass 17947 cofulid 17948 cofurid 17949 funcres 17954 funcres2 17956 wunfunc 17959 funcpropd 17960 relfull 17968 relfth 17969 isfull 17970 isfth 17974 idffth 17993 cofull 17994 cofth 17995 ressffth 17998 isnat 18008 isnat2 18009 nat1st2nd 18012 fuccocl 18025 fucidcl 18026 fuclid 18027 fucrid 18028 fucass 18029 fucsect 18033 fucinv 18034 invfuc 18035 fuciso 18036 natpropd 18037 fucpropd 18038 catciso 18169 prfval 18256 prfcl 18260 prf1st 18261 prf2nd 18262 1st2ndprf 18263 evlfcllem 18278 evlfcl 18279 curf1cl 18285 curf2cl 18288 curfcl 18289 uncf1 18293 uncf2 18294 curfuncf 18295 uncfcurf 18296 diag1cl 18299 diag2cl 18303 curf2ndf 18304 yon1cl 18320 oyon1cl 18328 yonedalem1 18329 yonedalem21 18330 yonedalem3a 18331 yonedalem4c 18334 yonedalem22 18335 yonedalem3b 18336 yonedalem3 18337 yonedainv 18338 yonffthlem 18339 yoniso 18342 func1st2nd 49837 func1st 49838 func2nd 49839 0funcg 49846 0funcALT 49849 cofu1st2nd 49853 idfurcl 49859 oppfval 49897 oppfval2 49898 oppfoppc2 49903 funcoppc4 49905 funcoppc5 49906 oppff1 49909 oppff1o 49910 imassc 49914 imaid 49915 imaf1co 49916 imasubc3 49917 idfth 49919 upfval3 49939 up1st2nd 49946 up1st2ndr 49947 uptrlem2 49972 uptra 49976 uobeqw 49980 uobeq 49981 uptr2a 49983 natoppfb 49992 diag1 50065 fuco112 50090 fuco111 50091 fuco21 50097 fuco11bALT 50099 fuco22nat 50107 fucof21 50108 fucoid 50109 fucoid2 50110 fuco22a 50111 fucocolem4 50117 precofvalALT 50129 precofval3 50132 reldmprcof1 50142 prcoftposcurfuco 50144 prcoftposcurfucoa 50145 prcofdiag1 50154 prcofdiag 50155 oppfdiag1 50175 oppfdiag 50177 functhincfun 50210 functermc2 50270 eufunclem 50282 termcfuncval 50293 diagffth 50299 reldmlmd2 50414 reldmcmd2 50415 lmddu 50428 cmddu 50429 lmdran 50432 cmdlan 50433 |
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