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Mirrors > Home > MPE Home > Th. List > catcbas | Structured version Visualization version GIF version |
Description: Set of objects of the category of categories. (Contributed by Mario Carneiro, 3-Jan-2017.) |
Ref | Expression |
---|---|
catcbas.c | ⊢ 𝐶 = (CatCat‘𝑈) |
catcbas.b | ⊢ 𝐵 = (Base‘𝐶) |
catcbas.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
Ref | Expression |
---|---|
catcbas | ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Cat)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | catcbas.c | . . 3 ⊢ 𝐶 = (CatCat‘𝑈) | |
2 | catcbas.u | . . 3 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
3 | eqidd 2799 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Cat) = (𝑈 ∩ Cat)) | |
4 | eqidd 2799 | . . 3 ⊢ (𝜑 → (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦)) = (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))) | |
5 | eqidd 2799 | . . 3 ⊢ (𝜑 → (𝑣 ∈ ((𝑈 ∩ Cat) × (𝑈 ∩ Cat)), 𝑧 ∈ (𝑈 ∩ Cat) ↦ (𝑔 ∈ ((2nd ‘𝑣) Func 𝑧), 𝑓 ∈ ( Func ‘𝑣) ↦ (𝑔 ∘func 𝑓))) = (𝑣 ∈ ((𝑈 ∩ Cat) × (𝑈 ∩ Cat)), 𝑧 ∈ (𝑈 ∩ Cat) ↦ (𝑔 ∈ ((2nd ‘𝑣) Func 𝑧), 𝑓 ∈ ( Func ‘𝑣) ↦ (𝑔 ∘func 𝑓)))) | |
6 | 1, 2, 3, 4, 5 | catcval 17348 | . 2 ⊢ (𝜑 → 𝐶 = {〈(Base‘ndx), (𝑈 ∩ Cat)〉, 〈(Hom ‘ndx), (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))〉, 〈(comp‘ndx), (𝑣 ∈ ((𝑈 ∩ Cat) × (𝑈 ∩ Cat)), 𝑧 ∈ (𝑈 ∩ Cat) ↦ (𝑔 ∈ ((2nd ‘𝑣) Func 𝑧), 𝑓 ∈ ( Func ‘𝑣) ↦ (𝑔 ∘func 𝑓)))〉}) |
7 | catstr 17219 | . 2 ⊢ {〈(Base‘ndx), (𝑈 ∩ Cat)〉, 〈(Hom ‘ndx), (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))〉, 〈(comp‘ndx), (𝑣 ∈ ((𝑈 ∩ Cat) × (𝑈 ∩ Cat)), 𝑧 ∈ (𝑈 ∩ Cat) ↦ (𝑔 ∈ ((2nd ‘𝑣) Func 𝑧), 𝑓 ∈ ( Func ‘𝑣) ↦ (𝑔 ∘func 𝑓)))〉} Struct 〈1, ;15〉 | |
8 | baseid 16535 | . 2 ⊢ Base = Slot (Base‘ndx) | |
9 | snsstp1 4709 | . 2 ⊢ {〈(Base‘ndx), (𝑈 ∩ Cat)〉} ⊆ {〈(Base‘ndx), (𝑈 ∩ Cat)〉, 〈(Hom ‘ndx), (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))〉, 〈(comp‘ndx), (𝑣 ∈ ((𝑈 ∩ Cat) × (𝑈 ∩ Cat)), 𝑧 ∈ (𝑈 ∩ Cat) ↦ (𝑔 ∈ ((2nd ‘𝑣) Func 𝑧), 𝑓 ∈ ( Func ‘𝑣) ↦ (𝑔 ∘func 𝑓)))〉} | |
10 | inex1g 5187 | . . 3 ⊢ (𝑈 ∈ 𝑉 → (𝑈 ∩ Cat) ∈ V) | |
11 | 2, 10 | syl 17 | . 2 ⊢ (𝜑 → (𝑈 ∩ Cat) ∈ V) |
12 | catcbas.b | . 2 ⊢ 𝐵 = (Base‘𝐶) | |
13 | 6, 7, 8, 9, 11, 12 | strfv3 16524 | 1 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 Vcvv 3441 ∩ cin 3880 {ctp 4529 〈cop 4531 × cxp 5517 ‘cfv 6324 (class class class)co 7135 ∈ cmpo 7137 2nd c2nd 7670 1c1 10527 5c5 11683 ;cdc 12086 ndxcnx 16472 Basecbs 16475 Hom chom 16568 compcco 16569 Catccat 16927 Func cfunc 17116 ∘func ccofu 17118 CatCatccatc 17346 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-n0 11886 df-z 11970 df-dec 12087 df-uz 12232 df-fz 12886 df-struct 16477 df-ndx 16478 df-slot 16479 df-base 16481 df-hom 16581 df-cco 16582 df-catc 17347 |
This theorem is referenced by: catchomfval 17350 catccofval 17352 catccatid 17354 resscatc 17357 catcisolem 17358 catciso 17359 catcoppccl 17360 catcfuccl 17361 catcxpccl 17449 yoniso 17527 |
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