Theorem aspval 19812

Description: Value of the algebraic closure operation inside an associative algebra. (Contributed by Mario Carneiro, 7-Jan-2015.)

Hypotheses

Ref	Expression
aspval.a	⊢ 𝐴 = (AlgSpan‘𝑊)
aspval.v	⊢ 𝑉 = (Base‘𝑊)
aspval.l	⊢ 𝐿 = (LSubSp‘𝑊)

Assertion

Ref	Expression
aspval	⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → (𝐴‘𝑆) = ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡})

Distinct variable groups:   𝑡,𝐿   𝑡,𝑆   𝑡,𝑉   𝑡,𝑊

Allowed substitution hint:   𝐴(𝑡)

Proof of Theorem aspval

Dummy variables 𝑠 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		aspval.a	. . . . 5 ⊢ 𝐴 = (AlgSpan‘𝑊)
2		fveq2 6493	. . . . . . . . 9 ⊢ (𝑤 = 𝑊 → (Base‘𝑤) = (Base‘𝑊))
3		aspval.v	. . . . . . . . 9 ⊢ 𝑉 = (Base‘𝑊)
4	2, 3	syl6eqr 2826	. . . . . . . 8 ⊢ (𝑤 = 𝑊 → (Base‘𝑤) = 𝑉)
5	4	pweqd 4421	. . . . . . 7 ⊢ (𝑤 = 𝑊 → 𝒫 (Base‘𝑤) = 𝒫 𝑉)
6		fveq2 6493	. . . . . . . . . 10 ⊢ (𝑤 = 𝑊 → (SubRing‘𝑤) = (SubRing‘𝑊))
7		fveq2 6493	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑊 → (LSubSp‘𝑤) = (LSubSp‘𝑊))
8		aspval.l	. . . . . . . . . . 11 ⊢ 𝐿 = (LSubSp‘𝑊)
9	7, 8	syl6eqr 2826	. . . . . . . . . 10 ⊢ (𝑤 = 𝑊 → (LSubSp‘𝑤) = 𝐿)
10	6, 9	ineq12d 4072	. . . . . . . . 9 ⊢ (𝑤 = 𝑊 → ((SubRing‘𝑤) ∩ (LSubSp‘𝑤)) = ((SubRing‘𝑊) ∩ 𝐿))
11	10	rabeqdv 3401	. . . . . . . 8 ⊢ (𝑤 = 𝑊 → {𝑡 ∈ ((SubRing‘𝑤) ∩ (LSubSp‘𝑤)) ∣ 𝑠 ⊆ 𝑡} = {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})
12	11	inteqd 4748	. . . . . . 7 ⊢ (𝑤 = 𝑊 → ∩ {𝑡 ∈ ((SubRing‘𝑤) ∩ (LSubSp‘𝑤)) ∣ 𝑠 ⊆ 𝑡} = ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})
13	5, 12	mpteq12dv 5006	. . . . . 6 ⊢ (𝑤 = 𝑊 → (𝑠 ∈ 𝒫 (Base‘𝑤) ↦ ∩ {𝑡 ∈ ((SubRing‘𝑤) ∩ (LSubSp‘𝑤)) ∣ 𝑠 ⊆ 𝑡}) = (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡}))
14		df-asp 19797	. . . . . 6 ⊢ AlgSpan = (𝑤 ∈ AssAlg ↦ (𝑠 ∈ 𝒫 (Base‘𝑤) ↦ ∩ {𝑡 ∈ ((SubRing‘𝑤) ∩ (LSubSp‘𝑤)) ∣ 𝑠 ⊆ 𝑡}))
15	3	fvexi 6507	. . . . . . . 8 ⊢ 𝑉 ∈ V
16	15	pwex 5128	. . . . . . 7 ⊢ 𝒫 𝑉 ∈ V
17	16	mptex 6806	. . . . . 6 ⊢ (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡}) ∈ V
18	13, 14, 17	fvmpt 6589	. . . . 5 ⊢ (𝑊 ∈ AssAlg → (AlgSpan‘𝑊) = (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡}))
19	1, 18	syl5eq 2820	. . . 4 ⊢ (𝑊 ∈ AssAlg → 𝐴 = (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡}))
20	19	fveq1d 6495	. . 3 ⊢ (𝑊 ∈ AssAlg → (𝐴‘𝑆) = ((𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})‘𝑆))
21	20	adantr 473	. 2 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → (𝐴‘𝑆) = ((𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})‘𝑆))
22		eqid 2772	. . 3 ⊢ (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡}) = (𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})
23		sseq1 3878	. . . . 5 ⊢ (𝑠 = 𝑆 → (𝑠 ⊆ 𝑡 ↔ 𝑆 ⊆ 𝑡))
24	23	rabbidv 3397	. . . 4 ⊢ (𝑠 = 𝑆 → {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡} = {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡})
25	24	inteqd 4748	. . 3 ⊢ (𝑠 = 𝑆 → ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡} = ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡})
26		simpr 477	. . . 4 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → 𝑆 ⊆ 𝑉)
27	15	elpw2 5098	. . . 4 ⊢ (𝑆 ∈ 𝒫 𝑉 ↔ 𝑆 ⊆ 𝑉)
28	26, 27	sylibr 226	. . 3 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → 𝑆 ∈ 𝒫 𝑉)
29		assaring 19804	. . . . . . 7 ⊢ (𝑊 ∈ AssAlg → 𝑊 ∈ Ring)
30	3	subrgid 19250	. . . . . . 7 ⊢ (𝑊 ∈ Ring → 𝑉 ∈ (SubRing‘𝑊))
31	29, 30	syl 17	. . . . . 6 ⊢ (𝑊 ∈ AssAlg → 𝑉 ∈ (SubRing‘𝑊))
32		assalmod 19803	. . . . . . 7 ⊢ (𝑊 ∈ AssAlg → 𝑊 ∈ LMod)
33	3, 8	lss1 19422	. . . . . . 7 ⊢ (𝑊 ∈ LMod → 𝑉 ∈ 𝐿)
34	32, 33	syl 17	. . . . . 6 ⊢ (𝑊 ∈ AssAlg → 𝑉 ∈ 𝐿)
35	31, 34	elind 4055	. . . . 5 ⊢ (𝑊 ∈ AssAlg → 𝑉 ∈ ((SubRing‘𝑊) ∩ 𝐿))
36		sseq2 3879	. . . . . 6 ⊢ (𝑡 = 𝑉 → (𝑆 ⊆ 𝑡 ↔ 𝑆 ⊆ 𝑉))
37	36	rspcev 3529	. . . . 5 ⊢ ((𝑉 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∧ 𝑆 ⊆ 𝑉) → ∃𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿)𝑆 ⊆ 𝑡)
38	35, 37	sylan 572	. . . 4 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → ∃𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿)𝑆 ⊆ 𝑡)
39		intexrab 5093	. . . 4 ⊢ (∃𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿)𝑆 ⊆ 𝑡 ↔ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡} ∈ V)
40	38, 39	sylib 210	. . 3 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡} ∈ V)
41	22, 25, 28, 40	fvmptd3 6611	. 2 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → ((𝑠 ∈ 𝒫 𝑉 ↦ ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑠 ⊆ 𝑡})‘𝑆) = ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡})
42	21, 41	eqtrd 2808	1 ⊢ ((𝑊 ∈ AssAlg ∧ 𝑆 ⊆ 𝑉) → (𝐴‘𝑆) = ∩ {𝑡 ∈ ((SubRing‘𝑊) ∩ 𝐿) ∣ 𝑆 ⊆ 𝑡})

Syntax hints:   → wi 4   ∧ wa 387   = wceq 1507   ∈ wcel 2048  ∃wrex 3083  {crab 3086  Vcvv 3409   ∩ cin 3824   ⊆ wss 3825  𝒫 cpw 4416  ∩ cint 4743   ↦ cmpt 5002  ‘cfv 6182  Basecbs 16329  Ringcrg 19010  SubRingcsubrg 19244  LModclmod 19346  LSubSpclss 19415  AssAlgcasa 19793  AlgSpancasp 19794

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1758  ax-4 1772  ax-5 1869  ax-6 1928  ax-7 1964  ax-8 2050  ax-9 2057  ax-10 2077  ax-11 2091  ax-12 2104  ax-13 2299  ax-ext 2745  ax-rep 5043  ax-sep 5054  ax-nul 5061  ax-pow 5113  ax-pr 5180  ax-un 7273  ax-cnex 10383  ax-resscn 10384  ax-1cn 10385  ax-icn 10386  ax-addcl 10387  ax-addrcl 10388  ax-mulcl 10389  ax-mulrcl 10390  ax-mulcom 10391  ax-addass 10392  ax-mulass 10393  ax-distr 10394  ax-i2m1 10395  ax-1ne0 10396  ax-1rid 10397  ax-rnegex 10398  ax-rrecex 10399  ax-cnre 10400  ax-pre-lttri 10401  ax-pre-lttrn 10402  ax-pre-ltadd 10403  ax-pre-mulgt0 10404

This theorem depends on definitions:  df-bi 199  df-an 388  df-or 834  df-3or 1069  df-3an 1070  df-tru 1510  df-ex 1743  df-nf 1747  df-sb 2014  df-mo 2544  df-eu 2580  df-clab 2754  df-cleq 2765  df-clel 2840  df-nfc 2912  df-ne 2962  df-nel 3068  df-ral 3087  df-rex 3088  df-reu 3089  df-rmo 3090  df-rab 3091  df-v 3411  df-sbc 3678  df-csb 3783  df-dif 3828  df-un 3830  df-in 3832  df-ss 3839  df-pss 3841  df-nul 4174  df-if 4345  df-pw 4418  df-sn 4436  df-pr 4438  df-tp 4440  df-op 4442  df-uni 4707  df-int 4744  df-iun 4788  df-br 4924  df-opab 4986  df-mpt 5003  df-tr 5025  df-id 5305  df-eprel 5310  df-po 5319  df-so 5320  df-fr 5359  df-we 5361  df-xp 5406  df-rel 5407  df-cnv 5408  df-co 5409  df-dm 5410  df-rn 5411  df-res 5412  df-ima 5413  df-pred 5980  df-ord 6026  df-on 6027  df-lim 6028  df-suc 6029  df-iota 6146  df-fun 6184  df-fn 6185  df-f 6186  df-f1 6187  df-fo 6188  df-f1o 6189  df-fv 6190  df-riota 6931  df-ov 6973  df-oprab 6974  df-mpo 6975  df-om 7391  df-wrecs 7743  df-recs 7805  df-rdg 7843  df-er 8081  df-en 8299  df-dom 8300  df-sdom 8301  df-pnf 10468  df-mnf 10469  df-xr 10470  df-ltxr 10471  df-le 10472  df-sub 10664  df-neg 10665  df-nn 11432  df-2 11496  df-ndx 16332  df-slot 16333  df-base 16335  df-sets 16336  df-ress 16337  df-plusg 16424  df-0g 16561  df-mgm 17700  df-sgrp 17742  df-mnd 17753  df-grp 17884  df-mgp 18953  df-ur 18965  df-ring 19012  df-subrg 19246  df-lmod 19348  df-lss 19416  df-assa 19796  df-asp 19797

This theorem is referenced by:  asplss  19813  aspid  19814  aspsubrg  19815  aspss  19816  aspssid  19817  aspval2  19831