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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 17130 | . 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 7791 | 1 ⊢ Rel (𝐷 Func 𝐸) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 398 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 ∀wral 3140 [wsbc 3774 〈cop 4575 × cxp 5555 Rel wrel 5562 ⟶wf 6353 ‘cfv 6357 (class class class)co 7158 1st c1st 7689 2nd c2nd 7690 ↑m cmap 8408 Xcixp 8463 Basecbs 16485 Hom chom 16578 compcco 16579 Catccat 16937 Idccid 16938 Func cfunc 17126 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fv 6365 df-ov 7161 df-oprab 7162 df-mpo 7163 df-1st 7691 df-2nd 7692 df-func 17130 |
This theorem is referenced by: cofuval 17154 cofu1 17156 cofu2 17158 cofuval2 17159 cofucl 17160 cofuass 17161 cofulid 17162 cofurid 17163 funcres 17168 funcres2 17170 wunfunc 17171 funcpropd 17172 relfull 17180 relfth 17181 isfull 17182 isfth 17186 idffth 17205 cofull 17206 cofth 17207 ressffth 17210 isnat 17219 isnat2 17220 nat1st2nd 17223 fuccocl 17236 fucidcl 17237 fuclid 17238 fucrid 17239 fucass 17240 fucsect 17244 fucinv 17245 invfuc 17246 fuciso 17247 natpropd 17248 fucpropd 17249 catciso 17369 prfval 17451 prfcl 17455 prf1st 17456 prf2nd 17457 1st2ndprf 17458 evlfcllem 17473 evlfcl 17474 curf1cl 17480 curf2cl 17483 curfcl 17484 uncf1 17488 uncf2 17489 curfuncf 17490 uncfcurf 17491 diag1cl 17494 diag2cl 17498 curf2ndf 17499 yon1cl 17515 oyon1cl 17523 yonedalem1 17524 yonedalem21 17525 yonedalem3a 17526 yonedalem4c 17529 yonedalem22 17530 yonedalem3b 17531 yonedalem3 17532 yonedainv 17533 yonffthlem 17534 yoniso 17537 |
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