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| Mirrors > Home > MPE Home > Th. List > fucbas | Structured version Visualization version GIF version | ||
| Description: The objects of the functor category are functors from 𝐶 to 𝐷. (Contributed by Mario Carneiro, 6-Jan-2017.) (Revised by Mario Carneiro, 12-Jan-2017.) |
| Ref | Expression |
|---|---|
| fucbas.q | ⊢ 𝑄 = (𝐶 FuncCat 𝐷) |
| Ref | Expression |
|---|---|
| fucbas | ⊢ (𝐶 Func 𝐷) = (Base‘𝑄) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fucbas.q | . . . . 5 ⊢ 𝑄 = (𝐶 FuncCat 𝐷) | |
| 2 | eqid 2733 | . . . . 5 ⊢ (𝐶 Func 𝐷) = (𝐶 Func 𝐷) | |
| 3 | eqid 2733 | . . . . 5 ⊢ (𝐶 Nat 𝐷) = (𝐶 Nat 𝐷) | |
| 4 | eqid 2733 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 5 | eqid 2733 | . . . . 5 ⊢ (comp‘𝐷) = (comp‘𝐷) | |
| 6 | simpl 482 | . . . . 5 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝐶 ∈ Cat) | |
| 7 | simpr 484 | . . . . 5 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝐷 ∈ Cat) | |
| 8 | eqid 2733 | . . . . . 6 ⊢ (comp‘𝑄) = (comp‘𝑄) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | fuccofval 17871 | . . . . 5 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (comp‘𝑄) = (𝑣 ∈ ((𝐶 Func 𝐷) × (𝐶 Func 𝐷)), ℎ ∈ (𝐶 Func 𝐷) ↦ ⦋(1st ‘𝑣) / 𝑓⦌⦋(2nd ‘𝑣) / 𝑔⦌(𝑏 ∈ (𝑔(𝐶 Nat 𝐷)ℎ), 𝑎 ∈ (𝑓(𝐶 Nat 𝐷)𝑔) ↦ (𝑥 ∈ (Base‘𝐶) ↦ ((𝑏‘𝑥)(〈((1st ‘𝑓)‘𝑥), ((1st ‘𝑔)‘𝑥)〉(comp‘𝐷)((1st ‘ℎ)‘𝑥))(𝑎‘𝑥)))))) |
| 10 | 1, 2, 3, 4, 5, 6, 7, 9 | fucval 17870 | . . . 4 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝑄 = {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉}) |
| 11 | catstr 17869 | . . . 4 ⊢ {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉} Struct 〈1, ;15〉 | |
| 12 | baseid 17125 | . . . 4 ⊢ Base = Slot (Base‘ndx) | |
| 13 | snsstp1 4767 | . . . 4 ⊢ {〈(Base‘ndx), (𝐶 Func 𝐷)〉} ⊆ {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉} | |
| 14 | ovexd 7387 | . . . 4 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) ∈ V) | |
| 15 | eqid 2733 | . . . 4 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 16 | 10, 11, 12, 13, 14, 15 | strfv3 17117 | . . 3 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (Base‘𝑄) = (𝐶 Func 𝐷)) |
| 17 | 16 | eqcomd 2739 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = (Base‘𝑄)) |
| 18 | base0 17127 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 19 | funcrcl 17772 | . . . . 5 ⊢ (𝑓 ∈ (𝐶 Func 𝐷) → (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat)) | |
| 20 | 19 | con3i 154 | . . . 4 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → ¬ 𝑓 ∈ (𝐶 Func 𝐷)) |
| 21 | 20 | eq0rdv 4356 | . . 3 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = ∅) |
| 22 | fnfuc 17857 | . . . . . . 7 ⊢ FuncCat Fn (Cat × Cat) | |
| 23 | 22 | fndmi 6590 | . . . . . 6 ⊢ dom FuncCat = (Cat × Cat) |
| 24 | 23 | ndmov 7536 | . . . . 5 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 FuncCat 𝐷) = ∅) |
| 25 | 1, 24 | eqtrid 2780 | . . . 4 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝑄 = ∅) |
| 26 | 25 | fveq2d 6832 | . . 3 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (Base‘𝑄) = (Base‘∅)) |
| 27 | 18, 21, 26 | 3eqtr4a 2794 | . 2 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = (Base‘𝑄)) |
| 28 | 17, 27 | pm2.61i 182 | 1 ⊢ (𝐶 Func 𝐷) = (Base‘𝑄) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 395 = wceq 1541 ∈ wcel 2113 Vcvv 3437 ∅c0 4282 {ctp 4579 〈cop 4581 × cxp 5617 ‘cfv 6486 (class class class)co 7352 1c1 11014 5c5 12190 ;cdc 12594 ndxcnx 17106 Basecbs 17122 Hom chom 17174 compcco 17175 Catccat 17572 Func cfunc 17763 Nat cnat 17853 FuncCat cfuc 17854 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5219 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11069 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-tp 4580 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-1st 7927 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-1o 8391 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-fin 8879 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-nn 12133 df-2 12195 df-3 12196 df-4 12197 df-5 12198 df-6 12199 df-7 12200 df-8 12201 df-9 12202 df-n0 12389 df-z 12476 df-dec 12595 df-uz 12739 df-fz 13410 df-struct 17060 df-slot 17095 df-ndx 17107 df-base 17123 df-hom 17187 df-cco 17188 df-func 17767 df-fuc 17856 |
| This theorem is referenced by: fuccatid 17881 fucsect 17884 fucinv 17885 fuciso 17887 evlfcllem 18129 evlfcl 18130 curfcl 18140 uncf1 18144 uncf2 18145 curfuncf 18146 diag1cl 18150 curf2ndf 18155 yon1cl 18171 oyon1cl 18179 yonedalem21 18181 yonedalem22 18186 yonedalem3b 18187 yonedalem3 18188 yonedainv 18189 yonffthlem 18190 yoneda 18191 yoniso 18193 xpcfucbas 49377 xpcfuchom2 49380 xpcfucco2 49381 diag1f1 49432 fucoid 49473 fucofunc 49484 postcofval 49489 postcofcl 49490 precofval 49492 precofvalALT 49493 precofcl 49495 fucoppcco 49534 fucoppc 49535 oppfdiag1 49539 oppfdiag 49541 diagciso 49664 funcsn 49666 0fucterm 49668 termfucterm 49669 cofuterm 49670 lanval2 49752 ranval2 49755 ranval3 49756 lanrcl4 49759 ranrcl4 49764 lanup 49766 ranup 49767 lmdfval2 49780 cmdfval2 49781 islmd 49790 iscmd 49791 lmddu 49792 cmddu 49793 initocmd 49794 lmdran 49796 cmdlan 49797 |
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