Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 2822 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Cat) = (𝑈 ∩ Cat)) | |
4 | eqidd 2822 | . . 3 ⊢ (𝜑 → (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦)) = (𝑥 ∈ (𝑈 ∩ Cat), 𝑦 ∈ (𝑈 ∩ Cat) ↦ (𝑥 Func 𝑦))) | |
5 | eqidd 2822 | . . 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 17356 | . 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 17227 | . 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 16543 | . 2 ⊢ Base = Slot (Base‘ndx) | |
9 | snsstp1 4749 | . 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 5223 | . . 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 16532 | 1 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Cat)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 Vcvv 3494 ∩ cin 3935 {ctp 4571 〈cop 4573 × cxp 5553 ‘cfv 6355 (class class class)co 7156 ∈ cmpo 7158 2nd c2nd 7688 1c1 10538 5c5 11696 ;cdc 12099 ndxcnx 16480 Basecbs 16483 Hom chom 16576 compcco 16577 Catccat 16935 Func cfunc 17124 ∘func ccofu 17126 CatCatccatc 17354 |
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 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-oadd 8106 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-9 11708 df-n0 11899 df-z 11983 df-dec 12100 df-uz 12245 df-fz 12894 df-struct 16485 df-ndx 16486 df-slot 16487 df-base 16489 df-hom 16589 df-cco 16590 df-catc 17355 |
This theorem is referenced by: catchomfval 17358 catccofval 17360 catccatid 17362 resscatc 17365 catcisolem 17366 catciso 17367 catcoppccl 17368 catcfuccl 17369 catcxpccl 17457 yoniso 17535 |
Copyright terms: Public domain | W3C validator |