Theorem lcoss 44485

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 4553	. . . . . . 7 ⊢ ((𝑣 ∈ 𝑉 ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → 𝑣 ∈ (Base‘𝑀))
2	1	expcom 416	. . . . . 6 ⊢ (𝑉 ∈ 𝒫 (Base‘𝑀) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (Base‘𝑀)))
3	2	adantl 484	. . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (Base‘𝑀)))
4	3	imp 409	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑣 ∈ (Base‘𝑀))
5		eqid 2821	. . . . . . 7 ⊢ (Base‘𝑀) = (Base‘𝑀)
6		eqid 2821	. . . . . . 7 ⊢ (Scalar‘𝑀) = (Scalar‘𝑀)
7		eqid 2821	. . . . . . 7 ⊢ (0g‘(Scalar‘𝑀)) = (0g‘(Scalar‘𝑀))
8		eqid 2821	. . . . . . 7 ⊢ (1r‘(Scalar‘𝑀)) = (1r‘(Scalar‘𝑀))
9		equequ1 2028	. . . . . . . . 9 ⊢ (𝑥 = 𝑦 → (𝑥 = 𝑣 ↔ 𝑦 = 𝑣))
10	9	ifbid 4488	. . . . . . . 8 ⊢ (𝑥 = 𝑦 → if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))) = if(𝑦 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))))
11	10	cbvmptv 5161	. . . . . . 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 44422	. . . . . 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 1114	. . . . 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 2821	. . . . . . . 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 44474	. . . . . . 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 1114	. . . . . 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 2827	. . . . 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 2821	. . . . . . . . . . 11 ⊢ (Base‘(Scalar‘𝑀)) = (Base‘(Scalar‘𝑀))
19	6, 18, 8	lmod1cl 19655	. . . . . . . . . 10 ⊢ (𝑀 ∈ LMod → (1r‘(Scalar‘𝑀)) ∈ (Base‘(Scalar‘𝑀)))
20	6, 18, 7	lmod0cl 19654	. . . . . . . . . 10 ⊢ (𝑀 ∈ LMod → (0g‘(Scalar‘𝑀)) ∈ (Base‘(Scalar‘𝑀)))
21	19, 20	ifcld 4511	. . . . . . . . 9 ⊢ (𝑀 ∈ LMod → if(𝑥 = 𝑣, (1r‘(Scalar‘𝑀)), (0g‘(Scalar‘𝑀))) ∈ (Base‘(Scalar‘𝑀)))
22	21	ad3antrrr 728	. . . . . . . 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 6873	. . . . . . 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 6677	. . . . . . . 8 ⊢ (Base‘(Scalar‘𝑀)) ∈ V
25		simplr 767	. . . . . . . 8 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑉 ∈ 𝒫 (Base‘𝑀))
26		elmapg 8413	. . . . . . . 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 589	. . . . . . 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 259	. . . . . 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 5061	. . . . . . . 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 7157	. . . . . . . . 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 2832	. . . . . . . 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 484	. . . . . 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 3615	. . . . 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 697	. . . 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 44461	. . . . 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 483	. . . 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 711	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) ∧ 𝑣 ∈ 𝑉) → 𝑣 ∈ (𝑀 LinCo 𝑉))
39	38	ex 415	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝑣 ∈ 𝑉 → 𝑣 ∈ (𝑀 LinCo 𝑉)))
40	39	ssrdv 3972	1 ⊢ ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → 𝑉 ⊆ (𝑀 LinCo 𝑉))

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 398   = wceq 1533   ∈ wcel 2110  ∃wrex 3139  Vcvv 3494   ⊆ wss 3935  ifcif 4466  𝒫 cpw 4538   class class class wbr 5058   ↦ cmpt 5138  ⟶wf 6345  ‘cfv 6349  (class class class)co 7150   ↑_m cmap 8400   finSupp cfsupp 8827  Basecbs 16477  Scalarcsca 16562  0_gc0g 16707  1_rcur 19245  LModclmod 19628   linC clinc 44453   LinCo clinco 44454

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-rep 5182  ax-sep 5195  ax-nul 5202  ax-pow 5258  ax-pr 5321  ax-un 7455  ax-cnex 10587  ax-resscn 10588  ax-1cn 10589  ax-icn 10590  ax-addcl 10591  ax-addrcl 10592  ax-mulcl 10593  ax-mulrcl 10594  ax-mulcom 10595  ax-addass 10596  ax-mulass 10597  ax-distr 10598  ax-i2m1 10599  ax-1ne0 10600  ax-1rid 10601  ax-rnegex 10602  ax-rrecex 10603  ax-cnre 10604  ax-pre-lttri 10605  ax-pre-lttrn 10606  ax-pre-ltadd 10607  ax-pre-mulgt0 10608

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  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-rmo 3146  df-rab 3147  df-v 3496  df-sbc 3772  df-csb 3883  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-pss 3953  df-nul 4291  df-if 4467  df-pw 4540  df-sn 4561  df-pr 4563  df-tp 4565  df-op 4567  df-uni 4832  df-int 4869  df-iun 4913  df-iin 4914  df-br 5059  df-opab 5121  df-mpt 5139  df-tr 5165  df-id 5454  df-eprel 5459  df-po 5468  df-so 5469  df-fr 5508  df-se 5509  df-we 5510  df-xp 5555  df-rel 5556  df-cnv 5557  df-co 5558  df-dm 5559  df-rn 5560  df-res 5561  df-ima 5562  df-pred 6142  df-ord 6188  df-on 6189  df-lim 6190  df-suc 6191  df-iota 6308  df-fun 6351  df-fn 6352  df-f 6353  df-f1 6354  df-fo 6355  df-f1o 6356  df-fv 6357  df-isom 6358  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-om 7575  df-1st 7683  df-2nd 7684  df-supp 7825  df-wrecs 7941  df-recs 8002  df-rdg 8040  df-1o 8096  df-oadd 8100  df-er 8283  df-map 8402  df-en 8504  df-dom 8505  df-sdom 8506  df-fin 8507  df-fsupp 8828  df-oi 8968  df-card 9362  df-pnf 10671  df-mnf 10672  df-xr 10673  df-ltxr 10674  df-le 10675  df-sub 10866  df-neg 10867  df-nn 11633  df-2 11694  df-n0 11892  df-z 11976  df-uz 12238  df-fz 12887  df-fzo 13028  df-seq 13364  df-hash 13685  df-ndx 16480  df-slot 16481  df-base 16483  df-sets 16484  df-ress 16485  df-plusg 16572  df-0g 16709  df-gsum 16710  df-mre 16851  df-mrc 16852  df-acs 16854  df-mgm 17846  df-sgrp 17895  df-mnd 17906  df-submnd 17951  df-grp 18100  df-mulg 18219  df-cntz 18441  df-cmn 18902  df-mgp 19234  df-ur 19246  df-ring 19293  df-lmod 19630  df-linc 44455  df-lco 44456

This theorem is referenced by:  lspsslco  44486