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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 17940 | . 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 8098 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ∀wral 3082 [wsbc 3747 〈cop 4600 × cxp 5664 Rel wrel 5671 ⟶wf 6539 ‘cfv 6543 (class class class)co 7423 1st c1st 7993 2nd c2nd 7994 ↑m cmap 8833 Xcixp 8904 Basecbs 17294 Hom chom 17346 compcco 17347 Catccat 17745 Idccid 17746 Func cfunc 17936 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fv 6551 df-ov 7426 df-oprab 7427 df-mpo 7428 df-1st 7995 df-2nd 7996 df-func 17940 |
| This theorem is used by: cofuval 17964 cofu1 17966 cofu2 17968 cofuval2 17969 cofucl 17970 cofuass 17971 cofulid 17972 cofurid 17973 funcres 17978 funcres2 17980 wunfunc 17983 funcpropd 17984 relfull 17992 relfth 17993 isfull 17994 isfth 17998 idffth 18017 cofull 18018 cofth 18019 ressffth 18022 isnat 18032 isnat2 18033 nat1st2nd 18036 fuccocl 18049 fucidcl 18050 fuclid 18051 fucrid 18052 fucass 18053 fucsect 18057 fucinv 18058 invfuc 18059 fuciso 18060 natpropd 18061 fucpropd 18062 catciso 18193 prfval 18280 prfcl 18284 prf1st 18285 prf2nd 18286 1st2ndprf 18287 evlfcllem 18302 evlfcl 18303 curf1cl 18309 curf2cl 18312 curfcl 18313 uncf1 18317 uncf2 18318 curfuncf 18319 uncfcurf 18320 diag1cl 18323 diag2cl 18327 curf2ndf 18328 yon1cl 18344 oyon1cl 18352 yonedalem1 18353 yonedalem21 18354 yonedalem3a 18355 yonedalem4c 18358 yonedalem22 18359 yonedalem3b 18360 yonedalem3 18361 yonedainv 18362 yonffthlem 18363 yoniso 18366 func1st2nd 49894 func1st 49895 func2nd 49896 0funcg 49903 0funcALT 49906 cofu1st2nd 49910 idfurcl 49916 oppfval 49954 oppfval2 49955 oppfoppc2 49960 funcoppc4 49962 funcoppc5 49963 oppff1 49966 oppff1o 49967 imassc 49971 imaid 49972 imaf1co 49973 imasubc3 49974 idfth 49976 upfval3 49996 up1st2nd 50003 up1st2ndr 50004 uptrlem2 50029 uptra 50033 uobeqw 50037 uobeq 50038 uptr2a 50040 natoppfb 50049 diag1 50122 fuco112 50147 fuco111 50148 fuco21 50154 fuco11bALT 50156 fuco22nat 50164 fucof21 50165 fucoid 50166 fucoid2 50167 fuco22a 50168 fucocolem4 50174 precofvalALT 50186 precofval3 50189 reldmprcof1 50199 prcoftposcurfuco 50201 prcoftposcurfucoa 50202 prcofdiag1 50211 prcofdiag 50212 oppfdiag1 50232 oppfdiag 50234 functhincfun 50267 functermc2 50327 eufunclem 50339 termcfuncval 50350 diagffth 50356 reldmlmd2 50471 reldmcmd2 50472 lmddu 50485 cmddu 50486 lmdran 50489 cmdlan 50490 |
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