Theorem lcoss 48431

Description: A set of vectors of a module is a subset of the set of all linear combinations of the set. (Contributed by AV, 18-Apr-2019.) (Proof shortened by AV, 30-Jul-2019.)

Assertion

Ref	Expression
lcoss	⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → 𝑉 ⊆ (𝑀 LinCo 𝑉))

Proof of Theorem lcoss

Dummy variables 𝑓 𝑣 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		elelpwi 4561	. . . . . . 7 ⊢ ((𝑣 ∈ 𝑉 ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → 𝑣 ∈ (Base‘𝑀))
2	1	expcom 413	. . . . . 6 ⊢ (𝑉 ∈ 𝒫 (Base‘𝑀) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (Base‘𝑀)))
3	2	adantl 481	. . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (Base‘𝑀)))
4	3	imp 406	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑣 ∈ (Base‘𝑀))
5		eqid 2729	. . . . . . 7 ⊢ (Base‘𝑀) = (Base‘𝑀)
6		eqid 2729	. . . . . . 7 ⊢ (Scalar‘𝑀) = (Scalar‘𝑀)
7		eqid 2729	. . . . . . 7 ⊢ (0g‘(Scalar‘𝑀)) = (0g‘(Scalar‘𝑀))
8		eqid 2729	. . . . . . 7 ⊢ (1r‘(Scalar‘𝑀)) = (1r‘(Scalar‘𝑀))
9		equequ1 2025	. . . . . . . . 9 ⊢ (𝑥 = 𝑦 → (𝑥 = 𝑣 ↔ 𝑦 = 𝑣))
10	9	ifbid 4500	. . . . . . . 8 ⊢ (𝑥 = 𝑦 → if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))) = if(𝑦 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))
11	10	cbvmptv 5196	. . . . . . 7 ⊢ (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) = (𝑦 ∈ 𝑉 ↦ if(𝑦 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))
12	5, 6, 7, 8, 11	mptcfsupp 48371	. . . . . 6 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀) ∧ 𝑣 ∈ 𝑉) → (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀)))
13	12	3expa 1118	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀)))
14		eqid 2729	. . . . . . . 8 ⊢ (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))
15	5, 6, 7, 8, 14	linc1 48420	. . . . . . 7 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀) ∧ 𝑣 ∈ 𝑉) → ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉) = 𝑣)
16	15	3expa 1118	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉) = 𝑣)
17	16	eqcomd 2735	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑣 = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉))
18		eqid 2729	. . . . . . . . . . 11 ⊢ (Base‘(Scalar‘𝑀)) = (Base‘(Scalar‘𝑀))
19	6, 18, 8	lmod1cl 20792	. . . . . . . . . 10 ⊢ (𝑀 ∈ LMod → (1r‘(Scalar‘𝑀)) ∈ (Base‘(Scalar‘𝑀)))
20	6, 18, 7	lmod0cl 20791	. . . . . . . . . 10 ⊢ (𝑀 ∈ LMod → (0g‘(Scalar‘𝑀)) ∈ (Base‘(Scalar‘𝑀)))
21	19, 20	ifcld 4523	. . . . . . . . 9 ⊢ (𝑀 ∈ LMod → if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))) ∈ (Base‘(Scalar‘𝑀)))
22	21	ad3antrrr 730	. . . . . . . 8 ⊢ ((((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) ∧ 𝑥 ∈ 𝑉) → if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))) ∈ (Base‘(Scalar‘𝑀)))
23	22	fmpttd 7049	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))):𝑉⟶(Base‘(Scalar‘𝑀)))
24		fvex 6835	. . . . . . . 8 ⊢ (Base‘(Scalar‘𝑀)) ∈ V
25		simplr 768	. . . . . . . 8 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑉 ∈ 𝒫 (Base‘𝑀))
26		elmapg 8766	. . . . . . . 8 ⊢ (((Base‘(Scalar‘𝑀)) ∈ V ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉) ↔ (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))):𝑉⟶(Base‘(Scalar‘𝑀))))
27	24, 25, 26	sylancr 587	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉) ↔ (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))):𝑉⟶(Base‘(Scalar‘𝑀))))
28	23, 27	mpbird 257	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉))
29		breq1 5095	. . . . . . . 8 ⊢ (𝑓 = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) → (𝑓 finSupp (0g‘(Scalar‘𝑀)) ↔ (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀))))
30		oveq1 7356	. . . . . . . . 9 ⊢ (𝑓 = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) → (𝑓( linC ‘𝑀)𝑉) = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉))
31	30	eqeq2d 2740	. . . . . . . 8 ⊢ (𝑓 = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) → (𝑣 = (𝑓( linC ‘𝑀)𝑉) ↔ 𝑣 = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉)))
32	29, 31	anbi12d 632	. . . . . . 7 ⊢ (𝑓 = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) → ((𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉)) ↔ ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉))))
33	32	adantl 481	. . . . . 6 ⊢ ((((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) ∧ 𝑓 = (𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))) → ((𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉)) ↔ ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉))))
34	28, 33	rspcedv 3570	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → (((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀)))) finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = ((𝑥 ∈ 𝑉 ↦ if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))( linC ‘𝑀)𝑉)) → ∃𝑓 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉)(𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉))))
35	13, 17, 34	mp2and 699	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → ∃𝑓 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉)(𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉)))
36	5, 6, 18	lcoval 48407	. . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝑣 ∈ (𝑀 LinCo 𝑉) ↔ (𝑣 ∈ (Base‘𝑀) ∧ ∃𝑓 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉)(𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉)))))
37	36	adantr 480	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → (𝑣 ∈ (𝑀 LinCo 𝑉) ↔ (𝑣 ∈ (Base‘𝑀) ∧ ∃𝑓 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉)(𝑓 finSupp (0g‘(Scalar‘𝑀)) ∧ 𝑣 = (𝑓( linC ‘𝑀)𝑉)))))
38	4, 35, 37	mpbir2and 713	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑣 ∈ (𝑀 LinCo 𝑉))
39	38	ex 412	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (𝑀 LinCo 𝑉)))
40	39	ssrdv 3941	1 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → 𝑉 ⊆ (𝑀 LinCo 𝑉))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   = wceq 1540   ∈ wcel 2109  ∃wrex 3053  Vcvv 3436   ⊆ wss 3903  ifcif 4476  𝒫 cpw 4551   class class class wbr 5092   ↦ cmpt 5173  ⟶wf 6478  ‘cfv 6482  (class class class)co 7349   ↑_m cmap 8753   finSupp cfsupp 9251  Basecbs 17120  Scalarcsca 17164  0_gc0g 17343  1_rcur 20066  LModclmod 20763   linC clinc 48399   LinCo clinco 48400

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-int 4897  df-iun 4943  df-iin 4944  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-se 5573  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-isom 6491  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-1st 7924  df-2nd 7925  df-supp 8094  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-1o 8388  df-2o 8389  df-er 8625  df-map 8755  df-en 8873  df-dom 8874  df-sdom 8875  df-fin 8876  df-fsupp 9252  df-oi 9402  df-card 9835  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-nn 12129  df-2 12191  df-n0 12385  df-z 12472  df-uz 12736  df-fz 13411  df-fzo 13558  df-seq 13909  df-hash 14238  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-ress 17142  df-plusg 17174  df-0g 17345  df-gsum 17346  df-mre 17488  df-mrc 17489  df-acs 17491  df-mgm 18514  df-sgrp 18593  df-mnd 18609  df-submnd 18658  df-grp 18815  df-mulg 18947  df-cntz 19196  df-cmn 19661  df-mgp 20026  df-ur 20067  df-ring 20120  df-lmod 20765  df-linc 48401  df-lco 48402

This theorem is referenced by:  lspsslco  48432