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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 18038 | . 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 8106 | 1 ⊢ Rel (𝐷 Func 𝐸) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 ∀wral 3076 [wsbc 3738 〈cop 4834 × cxp 5648 Rel wrel 5655 ⟶wf 6534 ‘cfv 6538 (class class class)co 7420 1st c1st 7999 2nd c2nd 8000 ↑m cmap 8850 Xcixp 8928 Basecbs 17392 Hom chom 17444 compcco 17445 Catccat 17843 Idccid 17844 Func cfunc 18034 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5656 df-rel 5657 df-cnv 5658 df-dm 5660 df-rn 5661 df-iota 6494 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-func 18038 |
| This theorem is used by: cofuval 18062 cofu1 18064 cofu2 18066 cofuval2 18067 cofucl 18068 cofuass 18069 cofulid 18070 cofurid 18071 funcres 18076 funcres2 18078 wunfunc 18081 funcpropd 18082 relfull 18090 relfth 18091 isfull 18092 isfth 18096 idffth 18115 cofull 18116 cofth 18117 ressffth 18120 isnat 18130 isnat2 18131 nat1st2nd 18134 fuccocl 18147 fucidcl 18148 fuclid 18149 fucrid 18150 fucass 18151 fucsect 18155 fucinv 18156 invfuc 18157 fuciso 18158 natpropd 18159 fucpropd 18160 catciso 18291 prfval 18378 prfcl 18382 prf1st 18383 prf2nd 18384 1st2ndprf 18385 evlfcllem 18400 evlfcl 18401 curf1cl 18407 curf2cl 18410 curfcl 18411 uncf1 18415 uncf2 18416 curfuncf 18417 uncfcurf 18418 diag1cl 18421 diag2cl 18425 curf2ndf 18426 yon1cl 18442 oyon1cl 18450 yonedalem1 18451 yonedalem21 18452 yonedalem3a 18453 yonedalem4c 18456 yonedalem22 18457 yonedalem3b 18458 yonedalem3 18459 yonedainv 18460 yonffthlem 18461 yoniso 18464 func1st2nd 50283 func1st 50284 func2nd 50285 0funcg 50293 0funcALT 50296 cofu1st2nd 50300 idfurcl 50307 oppfval 50345 oppfval2 50346 oppfoppc2 50351 funcoppc4 50353 funcoppc5 50354 oppff1 50357 oppff1o 50358 imassc 50362 imaid 50363 imaf1co 50364 imasubc3 50365 idfth 50367 upfval3 50387 up1st2nd 50394 up1st2ndr 50395 uptrlem2 50420 uptra 50424 uobeqw 50428 uobeq 50429 uptr2a 50431 natoppfb 50446 diag1 50519 fuco112 50544 fuco111 50545 fuco21 50551 fuco11bALT 50553 fuco22nat 50561 fucof21 50562 fucoid 50563 fucoid2 50564 fuco22a 50565 fucocolem4 50571 precofvalALT 50596 precofval3 50599 reldmprcof1 50609 prcoftposcurfuco 50611 prcoftposcurfucoa 50612 prcofdiag1 50621 prcofdiag 50622 oppfdiag1 50642 oppfdiag 50644 functhincfun 50677 functermc2 50737 eufunclem 50749 termcfuncval 50760 diagffth 50769 reldmlmd2 50929 reldmcmd2 50930 lmddu 50943 cmddu 50944 lmdran 50947 cmdlan 50948 |
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