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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 2763 | . . . . 5 ⊢ (𝐶 Func 𝐷) = (𝐶 Func 𝐷) | |
| 3 | eqid 2763 | . . . . 5 ⊢ (𝐶 Nat 𝐷) = (𝐶 Nat 𝐷) | |
| 4 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 5 | eqid 2763 | . . . . 5 ⊢ (comp‘𝐷) = (comp‘𝐷) | |
| 6 | simpl 487 | . . . . 5 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝐶 ∈ Cat) | |
| 7 | simpr 489 | . . . . 5 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝐷 ∈ Cat) | |
| 8 | eqid 2763 | . . . . . 6 ⊢ (comp‘𝑄) = (comp‘𝑄) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | fuccofval 18020 | . . . . 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 18019 | . . . 4 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝑄 = {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉}) |
| 11 | catstr 18018 | . . . 4 ⊢ {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉} Struct 〈1, ;15〉 | |
| 12 | baseid 17273 | . . . 4 ⊢ Base = Slot (Base‘ndx) | |
| 13 | snsstp1 4783 | . . . 4 ⊢ {〈(Base‘ndx), (𝐶 Func 𝐷)〉} ⊆ {〈(Base‘ndx), (𝐶 Func 𝐷)〉, 〈(Hom ‘ndx), (𝐶 Nat 𝐷)〉, 〈(comp‘ndx), (comp‘𝑄)〉} | |
| 14 | ovexd 7447 | . . . 4 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) ∈ V) | |
| 15 | eqid 2763 | . . . 4 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 16 | 10, 11, 12, 13, 14, 15 | strfv3 17265 | . . 3 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (Base‘𝑄) = (𝐶 Func 𝐷)) |
| 17 | 16 | eqcomd 2769 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = (Base‘𝑄)) |
| 18 | base0 17275 | . . 3 ⊢ ∅ = (Base‘∅) | |
| 19 | funcrcl 17921 | . . . . 5 ⊢ (𝑓 ∈ (𝐶 Func 𝐷) → (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat)) | |
| 20 | 19 | con3i 155 | . . . 4 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → ¬ 𝑓 ∈ (𝐶 Func 𝐷)) |
| 21 | 20 | eq0rdv 4373 | . . 3 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = ∅) |
| 22 | fnfuc 18006 | . . . . . . 7 ⊢ FuncCat Fn (Cat × Cat) | |
| 23 | 22 | fndmi 6641 | . . . . . 6 ⊢ dom FuncCat = (Cat × Cat) |
| 24 | 23 | ndmov 7596 | . . . . 5 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 FuncCat 𝐷) = ∅) |
| 25 | 1, 24 | eqtrid 2810 | . . . 4 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → 𝑄 = ∅) |
| 26 | 25 | fveq2d 6887 | . . 3 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (Base‘𝑄) = (Base‘∅)) |
| 27 | 18, 21, 26 | 3eqtr4a 2824 | . 2 ⊢ (¬ (𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (𝐶 Func 𝐷) = (Base‘𝑄)) |
| 28 | 17, 27 | pm2.61i 184 | 1 ⊢ (𝐶 Func 𝐷) = (Base‘𝑄) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∧ wa 400 = wceq 1570 ∈ wcel 2143 Vcvv 3455 ∅c0 4287 {ctp 4594 〈cop 4596 × cxp 5661 ‘cfv 6538 (class class class)co 7412 1c1 11102 5c5 12299 ;cdc 12712 ndxcnx 17254 Basecbs 17270 Hom chom 17322 compcco 17323 Catccat 17721 Func cfunc 17912 Nat cnat 18002 FuncCat cfuc 18003 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5239 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-tp 4595 df-op 4597 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-1o 8454 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-fin 8948 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-nn 12235 df-2 12304 df-3 12305 df-4 12306 df-5 12307 df-6 12308 df-7 12309 df-8 12310 df-9 12311 df-n0 12506 df-z 12593 df-dec 12713 df-uz 12864 df-fz 13537 df-struct 17208 df-slot 17243 df-ndx 17255 df-base 17271 df-hom 17335 df-cco 17336 df-func 17916 df-fuc 18005 |
| This theorem is referenced by: fuccatid 18030 fucsect 18033 fucinv 18034 fuciso 18036 evlfcllem 18278 evlfcl 18279 curfcl 18289 uncf1 18293 uncf2 18294 curfuncf 18295 diag1cl 18299 curf2ndf 18304 yon1cl 18320 oyon1cl 18328 yonedalem21 18330 yonedalem22 18335 yonedalem3b 18336 yonedalem3 18337 yonedainv 18338 yonffthlem 18339 yoneda 18340 yoniso 18342 xpcfucbas 50007 xpcfuchom2 50010 xpcfucco2 50011 diag1f1 50062 fucoid 50103 fucofunc 50114 postcofval 50119 postcofcl 50120 precofval 50122 precofvalALT 50123 precofcl 50125 fucoppcco 50164 fucoppc 50165 oppfdiag1 50169 oppfdiag 50171 diagciso 50294 funcsn 50296 0fucterm 50298 termfucterm 50299 cofuterm 50300 lanval2 50382 ranval2 50385 ranval3 50386 lanrcl4 50389 ranrcl4 50394 lanup 50396 ranup 50397 lmdfval2 50410 cmdfval2 50411 islmd 50420 iscmd 50421 lmddu 50422 cmddu 50423 initocmd 50424 lmdran 50426 cmdlan 50427 |
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