frlmlss - Metamath Proof Explorer

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Theorem frlmlss 20868

Description: The base set of the free module is a subspace of the power module. (Contributed by Stefan O'Rear, 1-Feb-2015.)

**Hypotheses**
Ref	Expression
frlmval.f	⊢ 𝐹 = (𝑅 freeLMod 𝐼)
frlmpws.b	⊢ 𝐵 = (Base‘𝐹)
frlmlss.u	⊢ 𝑈 = (LSubSp‘((ringLMod‘𝑅) ↑_s 𝐼))

**Assertion**
Ref	Expression
frlmlss	⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐵 ∈ 𝑈)

Proof of Theorem frlmlss Dummy variable 𝑖 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		frlmpws.b	. . 3 ⊢ 𝐵 = (Base‘𝐹)
2		frlmval.f	. . . . 5 ⊢ 𝐹 = (𝑅 freeLMod 𝐼)
3	2	frlmval 20865	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐹 = (𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)})))
4	3	fveq2d 6760	. . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Base‘𝐹) = (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)}))))
5	1, 4	eqtrid 2790	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐵 = (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)}))))
6		simpr 484	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐼 ∈ 𝑊)
7		simpl 482	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝑅 ∈ Ring)
8		rlmlmod 20388	. . . . . 6 ⊢ (𝑅 ∈ Ring → (ringLMod‘𝑅) ∈ LMod)
9	8	adantr 480	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (ringLMod‘𝑅) ∈ LMod)
10		fconst6g 6647	. . . . 5 ⊢ ((ringLMod‘𝑅) ∈ LMod → (𝐼 × {(ringLMod‘𝑅)}):𝐼⟶LMod)
11	9, 10	syl 17	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝐼 × {(ringLMod‘𝑅)}):𝐼⟶LMod)
12		fvex 6769	. . . . . . . 8 ⊢ (ringLMod‘𝑅) ∈ V
13	12	fvconst2 7061	. . . . . . 7 ⊢ (𝑖 ∈ 𝐼 → ((𝐼 × {(ringLMod‘𝑅)})‘𝑖) = (ringLMod‘𝑅))
14	13	adantl 481	. . . . . 6 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → ((𝐼 × {(ringLMod‘𝑅)})‘𝑖) = (ringLMod‘𝑅))
15	14	fveq2d 6760	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (Scalar‘((𝐼 × {(ringLMod‘𝑅)})‘𝑖)) = (Scalar‘(ringLMod‘𝑅)))
16		rlmsca 20383	. . . . . 6 ⊢ (𝑅 ∈ Ring → 𝑅 = (Scalar‘(ringLMod‘𝑅)))
17	16	ad2antrr 722	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → 𝑅 = (Scalar‘(ringLMod‘𝑅)))
18	15, 17	eqtr4d 2781	. . . 4 ⊢ (((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) ∧ 𝑖 ∈ 𝐼) → (Scalar‘((𝐼 × {(ringLMod‘𝑅)})‘𝑖)) = 𝑅)
19		eqid 2738	. . . 4 ⊢ (𝑅X_s(𝐼 × {(ringLMod‘𝑅)})) = (𝑅X_s(𝐼 × {(ringLMod‘𝑅)}))
20		eqid 2738	. . . 4 ⊢ (LSubSp‘(𝑅X_s(𝐼 × {(ringLMod‘𝑅)}))) = (LSubSp‘(𝑅X_s(𝐼 × {(ringLMod‘𝑅)})))
21		eqid 2738	. . . 4 ⊢ (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)}))) = (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)})))
22	6, 7, 11, 18, 19, 20, 21	dsmmlss 20861	. . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)}))) ∈ (LSubSp‘(𝑅X_s(𝐼 × {(ringLMod‘𝑅)}))))
23		eqid 2738	. . . . . . . . 9 ⊢ ((ringLMod‘𝑅) ↑_s 𝐼) = ((ringLMod‘𝑅) ↑_s 𝐼)
24		eqid 2738	. . . . . . . . 9 ⊢ (Scalar‘(ringLMod‘𝑅)) = (Scalar‘(ringLMod‘𝑅))
25	23, 24	pwsval 17114	. . . . . . . 8 ⊢ (((ringLMod‘𝑅) ∈ V ∧ 𝐼 ∈ 𝑊) → ((ringLMod‘𝑅) ↑_s 𝐼) = ((Scalar‘(ringLMod‘𝑅))X_s(𝐼 × {(ringLMod‘𝑅)})))
26	12, 25	mpan 686	. . . . . . 7 ⊢ (𝐼 ∈ 𝑊 → ((ringLMod‘𝑅) ↑_s 𝐼) = ((Scalar‘(ringLMod‘𝑅))X_s(𝐼 × {(ringLMod‘𝑅)})))
27	26	adantl 481	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → ((ringLMod‘𝑅) ↑_s 𝐼) = ((Scalar‘(ringLMod‘𝑅))X_s(𝐼 × {(ringLMod‘𝑅)})))
28	16	eqcomd 2744	. . . . . . . 8 ⊢ (𝑅 ∈ Ring → (Scalar‘(ringLMod‘𝑅)) = 𝑅)
29	28	adantr 480	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Scalar‘(ringLMod‘𝑅)) = 𝑅)
30	29	oveq1d 7270	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → ((Scalar‘(ringLMod‘𝑅))X_s(𝐼 × {(ringLMod‘𝑅)})) = (𝑅X_s(𝐼 × {(ringLMod‘𝑅)})))
31	27, 30	eqtr2d 2779	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (𝑅X_s(𝐼 × {(ringLMod‘𝑅)})) = ((ringLMod‘𝑅) ↑_s 𝐼))
32	31	fveq2d 6760	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (LSubSp‘(𝑅X_s(𝐼 × {(ringLMod‘𝑅)}))) = (LSubSp‘((ringLMod‘𝑅) ↑_s 𝐼)))
33		frlmlss.u	. . . 4 ⊢ 𝑈 = (LSubSp‘((ringLMod‘𝑅) ↑_s 𝐼))
34	32, 33	eqtr4di 2797	. . 3 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (LSubSp‘(𝑅X_s(𝐼 × {(ringLMod‘𝑅)}))) = 𝑈)
35	22, 34	eleqtrd 2841	. 2 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → (Base‘(𝑅 ⊕_m (𝐼 × {(ringLMod‘𝑅)}))) ∈ 𝑈)
36	5, 35	eqeltrd 2839	1 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑊) → 𝐵 ∈ 𝑈)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 Vcvv 3422 {csn 4558 × cxp 5578 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 Scalarcsca 16891 X_scprds 17073 ↑_s cpws 17074 Ringcrg 19698 LModclmod 20038 LSubSpclss 20108 ringLModcrglmod 20346 ⊕_m cdsmm 20848 freeLMod cfrlm 20863

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879

This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-hom 16912 df-cco 16913 df-0g 17069 df-prds 17075 df-pws 17077 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-sbg 18497 df-subg 18667 df-mgp 19636 df-ur 19653 df-ring 19700 df-subrg 19937 df-lmod 20040 df-lss 20109 df-sra 20349 df-rgmod 20350 df-dsmm 20849 df-frlm 20864

This theorem is referenced by: frlm0 20871 frlmsubgval 20882 frlmgsum 20889 frlmsplit2 20890

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