frlmup3 - Metamath Proof Explorer

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Theorem frlmup3 21206

Description: The range of such an evaluation map is the finite linear combinations of the target vectors and also the span of the target vectors. (Contributed by Stefan O'Rear, 6-Feb-2015.)

**Hypotheses**
Ref	Expression
frlmup.f	⊢ 𝐹 = (𝑅 freeLMod 𝐼)
frlmup.b	⊢ 𝐵 = (Base‘𝐹)
frlmup.c	⊢ 𝐶 = (Base‘𝑇)
frlmup.v	⊢ · = ( ·_𝑠 ‘𝑇)
frlmup.e	⊢ 𝐸 = (𝑥 ∈ 𝐵 ↦ (𝑇 Σ_g (𝑥 ∘_f · 𝐴)))
frlmup.t	⊢ (𝜑 → 𝑇 ∈ LMod)
frlmup.i	⊢ (𝜑 → 𝐼 ∈ 𝑋)
frlmup.r	⊢ (𝜑 → 𝑅 = (Scalar‘𝑇))
frlmup.a	⊢ (𝜑 → 𝐴:𝐼⟶𝐶)
frlmup.k	⊢ 𝐾 = (LSpan‘𝑇)

**Assertion**
Ref	Expression
frlmup3	⊢ (𝜑 → ran 𝐸 = (𝐾‘ran 𝐴))

Distinct variable groups: 𝑥,𝑅 𝑥,𝐼 𝑥,𝐹 𝑥,𝐵 𝑥,𝐶 𝑥, · 𝑥,𝐴 𝑥,𝑋 𝑥,𝐾 𝜑,𝑥 𝑥,𝑇 Allowed substitution hint: 𝐸(𝑥)

Proof of Theorem frlmup3 Dummy variable 𝑢 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		frlmup.f	. . . 4 ⊢ 𝐹 = (𝑅 freeLMod 𝐼)
2		frlmup.b	. . . 4 ⊢ 𝐵 = (Base‘𝐹)
3		frlmup.c	. . . 4 ⊢ 𝐶 = (Base‘𝑇)
4		frlmup.v	. . . 4 ⊢ · = ( ·_𝑠 ‘𝑇)
5		frlmup.e	. . . 4 ⊢ 𝐸 = (𝑥 ∈ 𝐵 ↦ (𝑇 Σ_g (𝑥 ∘_f · 𝐴)))
6		frlmup.t	. . . 4 ⊢ (𝜑 → 𝑇 ∈ LMod)
7		frlmup.i	. . . 4 ⊢ (𝜑 → 𝐼 ∈ 𝑋)
8		frlmup.r	. . . 4 ⊢ (𝜑 → 𝑅 = (Scalar‘𝑇))
9		frlmup.a	. . . 4 ⊢ (𝜑 → 𝐴:𝐼⟶𝐶)
10	1, 2, 3, 4, 5, 6, 7, 8, 9	frlmup1 21204	. . 3 ⊢ (𝜑 → 𝐸 ∈ (𝐹 LMHom 𝑇))
11		eqid 2736	. . . . . . . 8 ⊢ (Scalar‘𝑇) = (Scalar‘𝑇)
12	11	lmodring 20330	. . . . . . 7 ⊢ (𝑇 ∈ LMod → (Scalar‘𝑇) ∈ Ring)
13	6, 12	syl 17	. . . . . 6 ⊢ (𝜑 → (Scalar‘𝑇) ∈ Ring)
14	8, 13	eqeltrd 2838	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ Ring)
15		eqid 2736	. . . . . 6 ⊢ (𝑅 unitVec 𝐼) = (𝑅 unitVec 𝐼)
16	15, 1, 2	uvcff 21197	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑋) → (𝑅 unitVec 𝐼):𝐼⟶𝐵)
17	14, 7, 16	syl2anc 584	. . . 4 ⊢ (𝜑 → (𝑅 unitVec 𝐼):𝐼⟶𝐵)
18	17	frnd 6676	. . 3 ⊢ (𝜑 → ran (𝑅 unitVec 𝐼) ⊆ 𝐵)
19		eqid 2736	. . . 4 ⊢ (LSpan‘𝐹) = (LSpan‘𝐹)
20		frlmup.k	. . . 4 ⊢ 𝐾 = (LSpan‘𝑇)
21	2, 19, 20	lmhmlsp 20510	. . 3 ⊢ ((𝐸 ∈ (𝐹 LMHom 𝑇) ∧ ran (𝑅 unitVec 𝐼) ⊆ 𝐵) → (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))) = (𝐾‘(𝐸 “ ran (𝑅 unitVec 𝐼))))
22	10, 18, 21	syl2anc 584	. 2 ⊢ (𝜑 → (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))) = (𝐾‘(𝐸 “ ran (𝑅 unitVec 𝐼))))
23	2, 3	lmhmf 20495	. . . . . 6 ⊢ (𝐸 ∈ (𝐹 LMHom 𝑇) → 𝐸:𝐵⟶𝐶)
24	10, 23	syl 17	. . . . 5 ⊢ (𝜑 → 𝐸:𝐵⟶𝐶)
25	24	ffnd 6669	. . . 4 ⊢ (𝜑 → 𝐸 Fn 𝐵)
26		fnima 6631	. . . 4 ⊢ (𝐸 Fn 𝐵 → (𝐸 “ 𝐵) = ran 𝐸)
27	25, 26	syl 17	. . 3 ⊢ (𝜑 → (𝐸 “ 𝐵) = ran 𝐸)
28		eqid 2736	. . . . . . . 8 ⊢ (LBasis‘𝐹) = (LBasis‘𝐹)
29	1, 15, 28	frlmlbs 21203	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝐼 ∈ 𝑋) → ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹))
30	14, 7, 29	syl2anc 584	. . . . . 6 ⊢ (𝜑 → ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹))
31	2, 28, 19	lbssp 20540	. . . . . 6 ⊢ (ran (𝑅 unitVec 𝐼) ∈ (LBasis‘𝐹) → ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼)) = 𝐵)
32	30, 31	syl 17	. . . . 5 ⊢ (𝜑 → ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼)) = 𝐵)
33	32	eqcomd 2742	. . . 4 ⊢ (𝜑 → 𝐵 = ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼)))
34	33	imaeq2d 6013	. . 3 ⊢ (𝜑 → (𝐸 “ 𝐵) = (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))))
35	27, 34	eqtr3d 2778	. 2 ⊢ (𝜑 → ran 𝐸 = (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))))
36		imaco 6203	. . . 4 ⊢ ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼) = (𝐸 “ ((𝑅 unitVec 𝐼) “ 𝐼))
37	9	ffnd 6669	. . . . . . 7 ⊢ (𝜑 → 𝐴 Fn 𝐼)
38	17	ffnd 6669	. . . . . . . 8 ⊢ (𝜑 → (𝑅 unitVec 𝐼) Fn 𝐼)
39		fnco 6618	. . . . . . . 8 ⊢ ((𝐸 Fn 𝐵 ∧ (𝑅 unitVec 𝐼) Fn 𝐼 ∧ ran (𝑅 unitVec 𝐼) ⊆ 𝐵) → (𝐸 ∘ (𝑅 unitVec 𝐼)) Fn 𝐼)
40	25, 38, 18, 39	syl3anc 1371	. . . . . . 7 ⊢ (𝜑 → (𝐸 ∘ (𝑅 unitVec 𝐼)) Fn 𝐼)
41		fvco2 6938	. . . . . . . . 9 ⊢ (((𝑅 unitVec 𝐼) Fn 𝐼 ∧ 𝑢 ∈ 𝐼) → ((𝐸 ∘ (𝑅 unitVec 𝐼))‘𝑢) = (𝐸‘((𝑅 unitVec 𝐼)‘𝑢)))
42	38, 41	sylan 580	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → ((𝐸 ∘ (𝑅 unitVec 𝐼))‘𝑢) = (𝐸‘((𝑅 unitVec 𝐼)‘𝑢)))
43	6	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑇 ∈ LMod)
44	7	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝐼 ∈ 𝑋)
45	8	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑅 = (Scalar‘𝑇))
46	9	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝐴:𝐼⟶𝐶)
47		simpr 485	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑢 ∈ 𝐼)
48	1, 2, 3, 4, 5, 43, 44, 45, 46, 47, 15	frlmup2 21205	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → (𝐸‘((𝑅 unitVec 𝐼)‘𝑢)) = (𝐴‘𝑢))
49	42, 48	eqtr2d 2777	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → (𝐴‘𝑢) = ((𝐸 ∘ (𝑅 unitVec 𝐼))‘𝑢))
50	37, 40, 49	eqfnfvd 6985	. . . . . 6 ⊢ (𝜑 → 𝐴 = (𝐸 ∘ (𝑅 unitVec 𝐼)))
51	50	imaeq1d 6012	. . . . 5 ⊢ (𝜑 → (𝐴 “ 𝐼) = ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼))
52		fnima 6631	. . . . . 6 ⊢ (𝐴 Fn 𝐼 → (𝐴 “ 𝐼) = ran 𝐴)
53	37, 52	syl 17	. . . . 5 ⊢ (𝜑 → (𝐴 “ 𝐼) = ran 𝐴)
54	51, 53	eqtr3d 2778	. . . 4 ⊢ (𝜑 → ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼) = ran 𝐴)
55		fnima 6631	. . . . . 6 ⊢ ((𝑅 unitVec 𝐼) Fn 𝐼 → ((𝑅 unitVec 𝐼) “ 𝐼) = ran (𝑅 unitVec 𝐼))
56	38, 55	syl 17	. . . . 5 ⊢ (𝜑 → ((𝑅 unitVec 𝐼) “ 𝐼) = ran (𝑅 unitVec 𝐼))
57	56	imaeq2d 6013	. . . 4 ⊢ (𝜑 → (𝐸 “ ((𝑅 unitVec 𝐼) “ 𝐼)) = (𝐸 “ ran (𝑅 unitVec 𝐼)))
58	36, 54, 57	3eqtr3a 2800	. . 3 ⊢ (𝜑 → ran 𝐴 = (𝐸 “ ran (𝑅 unitVec 𝐼)))
59	58	fveq2d 6846	. 2 ⊢ (𝜑 → (𝐾‘ran 𝐴) = (𝐾‘(𝐸 “ ran (𝑅 unitVec 𝐼))))
60	22, 35, 59	3eqtr4d 2786	1 ⊢ (𝜑 → ran 𝐸 = (𝐾‘ran 𝐴))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ⊆ wss 3910 ↦ cmpt 5188 ran crn 5634 “ cima 5636 ∘ ccom 5637 Fn wfn 6491 ⟶wf 6492 ‘cfv 6496 (class class class)co 7357 ∘_f cof 7615 Basecbs 17083 Scalarcsca 17136 ·_𝑠 cvsca 17137 Σ_g cgsu 17322 Ringcrg 19964 LModclmod 20322 LSpanclspn 20432 LMHom clmhm 20480 LBasisclbs 20535 freeLMod cfrlm 21152 unitVec cuvc 21188

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5242 ax-sep 5256 ax-nul 5263 ax-pow 5320 ax-pr 5384 ax-un 7672 ax-cnex 11107 ax-resscn 11108 ax-1cn 11109 ax-icn 11110 ax-addcl 11111 ax-addrcl 11112 ax-mulcl 11113 ax-mulrcl 11114 ax-mulcom 11115 ax-addass 11116 ax-mulass 11117 ax-distr 11118 ax-i2m1 11119 ax-1ne0 11120 ax-1rid 11121 ax-rnegex 11122 ax-rrecex 11123 ax-cnre 11124 ax-pre-lttri 11125 ax-pre-lttrn 11126 ax-pre-ltadd 11127 ax-pre-mulgt0 11128

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3065 df-rex 3074 df-rmo 3353 df-reu 3354 df-rab 3408 df-v 3447 df-sbc 3740 df-csb 3856 df-dif 3913 df-un 3915 df-in 3917 df-ss 3927 df-pss 3929 df-nul 4283 df-if 4487 df-pw 4562 df-sn 4587 df-pr 4589 df-tp 4591 df-op 4593 df-uni 4866 df-int 4908 df-iun 4956 df-iin 4957 df-br 5106 df-opab 5168 df-mpt 5189 df-tr 5223 df-id 5531 df-eprel 5537 df-po 5545 df-so 5546 df-fr 5588 df-se 5589 df-we 5590 df-xp 5639 df-rel 5640 df-cnv 5641 df-co 5642 df-dm 5643 df-rn 5644 df-res 5645 df-ima 5646 df-pred 6253 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6498 df-fn 6499 df-f 6500 df-f1 6501 df-fo 6502 df-f1o 6503 df-fv 6504 df-isom 6505 df-riota 7313 df-ov 7360 df-oprab 7361 df-mpo 7362 df-of 7617 df-om 7803 df-1st 7921 df-2nd 7922 df-supp 8093 df-frecs 8212 df-wrecs 8243 df-recs 8317 df-rdg 8356 df-1o 8412 df-er 8648 df-map 8767 df-ixp 8836 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-fsupp 9306 df-sup 9378 df-oi 9446 df-card 9875 df-pnf 11191 df-mnf 11192 df-xr 11193 df-ltxr 11194 df-le 11195 df-sub 11387 df-neg 11388 df-nn 12154 df-2 12216 df-3 12217 df-4 12218 df-5 12219 df-6 12220 df-7 12221 df-8 12222 df-9 12223 df-n0 12414 df-z 12500 df-dec 12619 df-uz 12764 df-fz 13425 df-fzo 13568 df-seq 13907 df-hash 14231 df-struct 17019 df-sets 17036 df-slot 17054 df-ndx 17066 df-base 17084 df-ress 17113 df-plusg 17146 df-mulr 17147 df-sca 17149 df-vsca 17150 df-ip 17151 df-tset 17152 df-ple 17153 df-ds 17155 df-hom 17157 df-cco 17158 df-0g 17323 df-gsum 17324 df-prds 17329 df-pws 17331 df-mre 17466 df-mrc 17467 df-acs 17469 df-mgm 18497 df-sgrp 18546 df-mnd 18557 df-mhm 18601 df-submnd 18602 df-grp 18751 df-minusg 18752 df-sbg 18753 df-mulg 18873 df-subg 18925 df-ghm 19006 df-cntz 19097 df-cmn 19564 df-abl 19565 df-mgp 19897 df-ur 19914 df-ring 19966 df-subrg 20220 df-lmod 20324 df-lss 20393 df-lsp 20433 df-lmhm 20483 df-lbs 20536 df-sra 20633 df-rgmod 20634 df-nzr 20728 df-dsmm 21138 df-frlm 21153 df-uvc 21189

This theorem is referenced by: ellspd 21208 indlcim 21246 lnrfg 41432

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