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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 2729 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Cat) = (𝑈 ∩ Cat)) | |
4 | eqidd 2729 | . . 3 ⊢ (𝜑 → (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦)) = (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))) | |
5 | eqidd 2729 | . . 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 18082 | . 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 17941 | . 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 17176 | . 2 ⊢ Base = Slot (Base‘ndx) | |
9 | snsstp1 4815 | . 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 5313 | . . 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 17167 | 1 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1534 ∈ wcel 2099 Vcvv 3470 ∩ cin 3944 {ctp 4628 〈cop 4630 × cxp 5670 ‘cfv 6542 (class class class)co 7414 ∈ cmpo 7416 2nd c2nd 7986 1c1 11133 5c5 12294 ;cdc 12701 ndxcnx 17155 Basecbs 17173 Hom chom 17237 compcco 17238 Catccat 17637 Func cfunc 17833 ∘func ccofu 17835 CatCatccatc 18080 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5293 ax-nul 5300 ax-pow 5359 ax-pr 5423 ax-un 7734 ax-cnex 11188 ax-resscn 11189 ax-1cn 11190 ax-icn 11191 ax-addcl 11192 ax-addrcl 11193 ax-mulcl 11194 ax-mulrcl 11195 ax-mulcom 11196 ax-addass 11197 ax-mulass 11198 ax-distr 11199 ax-i2m1 11200 ax-1ne0 11201 ax-1rid 11202 ax-rnegex 11203 ax-rrecex 11204 ax-cnre 11205 ax-pre-lttri 11206 ax-pre-lttrn 11207 ax-pre-ltadd 11208 ax-pre-mulgt0 11209 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2937 df-nel 3043 df-ral 3058 df-rex 3067 df-reu 3373 df-rab 3429 df-v 3472 df-sbc 3776 df-csb 3891 df-dif 3948 df-un 3950 df-in 3952 df-ss 3962 df-pss 3964 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-uni 4904 df-iun 4993 df-br 5143 df-opab 5205 df-mpt 5226 df-tr 5260 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6299 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-riota 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7865 df-1st 7987 df-2nd 7988 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-1o 8480 df-er 8718 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-pnf 11274 df-mnf 11275 df-xr 11276 df-ltxr 11277 df-le 11278 df-sub 11470 df-neg 11471 df-nn 12237 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 df-7 12304 df-8 12305 df-9 12306 df-n0 12497 df-z 12583 df-dec 12702 df-uz 12847 df-fz 13511 df-struct 17109 df-slot 17144 df-ndx 17156 df-base 17174 df-hom 17250 df-cco 17251 df-catc 18081 |
This theorem is referenced by: catchomfval 18084 catccofval 18086 catccatid 18088 resscatc 18091 catcisolem 18092 catciso 18093 catcbascl 18094 catcoppccl 18099 catcoppcclOLD 18100 catcfuccl 18101 catcfucclOLD 18102 catcxpccl 18191 catcxpcclOLD 18192 yoniso 18270 |
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