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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 18013 | . 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 8094 | 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 3077 [wsbc 3739 〈cop 4590 × cxp 5649 Rel wrel 5656 ⟶wf 6527 ‘cfv 6531 (class class class)co 7412 1st c1st 7988 2nd c2nd 7989 ↑m cmap 8831 Xcixp 8909 Basecbs 17367 Hom chom 17419 compcco 17420 Catccat 17818 Idccid 17819 Func cfunc 18009 |
| 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 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fv 6539 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1st 7990 df-2nd 7991 df-func 18013 |
| This theorem is used by: cofuval 18037 cofu1 18039 cofu2 18041 cofuval2 18042 cofucl 18043 cofuass 18044 cofulid 18045 cofurid 18046 funcres 18051 funcres2 18053 wunfunc 18056 funcpropd 18057 relfull 18065 relfth 18066 isfull 18067 isfth 18071 idffth 18090 cofull 18091 cofth 18092 ressffth 18095 isnat 18105 isnat2 18106 nat1st2nd 18109 fuccocl 18122 fucidcl 18123 fuclid 18124 fucrid 18125 fucass 18126 fucsect 18130 fucinv 18131 invfuc 18132 fuciso 18133 natpropd 18134 fucpropd 18135 catciso 18266 prfval 18353 prfcl 18357 prf1st 18358 prf2nd 18359 1st2ndprf 18360 evlfcllem 18375 evlfcl 18376 curf1cl 18382 curf2cl 18385 curfcl 18386 uncf1 18390 uncf2 18391 curfuncf 18392 uncfcurf 18393 diag1cl 18396 diag2cl 18400 curf2ndf 18401 yon1cl 18417 oyon1cl 18425 yonedalem1 18426 yonedalem21 18427 yonedalem3a 18428 yonedalem4c 18431 yonedalem22 18432 yonedalem3b 18433 yonedalem3 18434 yonedainv 18435 yonffthlem 18436 yoniso 18439 func1st2nd 50128 func1st 50129 func2nd 50130 0funcg 50137 0funcALT 50140 cofu1st2nd 50144 idfurcl 50150 oppfval 50188 oppfval2 50189 oppfoppc2 50194 funcoppc4 50196 funcoppc5 50197 oppff1 50200 oppff1o 50201 imassc 50205 imaid 50206 imaf1co 50207 imasubc3 50208 idfth 50210 upfval3 50230 up1st2nd 50237 up1st2ndr 50238 uptrlem2 50263 uptra 50267 uobeqw 50271 uobeq 50272 uptr2a 50274 natoppfb 50283 diag1 50356 fuco112 50381 fuco111 50382 fuco21 50388 fuco11bALT 50390 fuco22nat 50398 fucof21 50399 fucoid 50400 fucoid2 50401 fuco22a 50402 fucocolem4 50408 precofvalALT 50420 precofval3 50423 reldmprcof1 50433 prcoftposcurfuco 50435 prcoftposcurfucoa 50436 prcofdiag1 50445 prcofdiag 50446 oppfdiag1 50466 oppfdiag 50468 functhincfun 50501 functermc2 50561 eufunclem 50573 termcfuncval 50584 diagffth 50590 reldmlmd2 50705 reldmcmd2 50706 lmddu 50719 cmddu 50720 lmdran 50723 cmdlan 50724 |
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