frlmup3 - Metamath Proof Explorer

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Theorem frlmup3 21753

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 21751	. . 3 ⊢ (𝜑 → 𝐸 ∈ (𝐹 LMHom 𝑇))
11		eqid 2734	. . . . . . . 8 ⊢ (Scalar‘𝑇) = (Scalar‘𝑇)
12	11	lmodring 20817	. . . . . . 7 ⊢ (𝑇 ∈ LMod → (Scalar‘𝑇) ∈ Ring)
13	6, 12	syl 17	. . . . . 6 ⊢ (𝜑 → (Scalar‘𝑇) ∈ Ring)
14	8, 13	eqeltrd 2834	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ Ring)
15		eqid 2734	. . . . . 6 ⊢ (𝑅 unitVec 𝐼) = (𝑅 unitVec 𝐼)
16	15, 1, 2	uvcff 21744	. . . . 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 6668	. . 3 ⊢ (𝜑 → ran (𝑅 unitVec 𝐼) ⊆ 𝐵)
19		eqid 2734	. . . 4 ⊢ (LSpan‘𝐹) = (LSpan‘𝐹)
20		frlmup.k	. . . 4 ⊢ 𝐾 = (LSpan‘𝑇)
21	2, 19, 20	lmhmlsp 20999	. . 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 20984	. . . . . 6 ⊢ (𝐸 ∈ (𝐹 LMHom 𝑇) → 𝐸:𝐵⟶𝐶)
24	10, 23	syl 17	. . . . 5 ⊢ (𝜑 → 𝐸:𝐵⟶𝐶)
25	24	ffnd 6661	. . . 4 ⊢ (𝜑 → 𝐸 Fn 𝐵)
26		fnima 6620	. . . 4 ⊢ (𝐸 Fn 𝐵 → (𝐸 “ 𝐵) = ran 𝐸)
27	25, 26	syl 17	. . 3 ⊢ (𝜑 → (𝐸 “ 𝐵) = ran 𝐸)
28		eqid 2734	. . . . . . . 8 ⊢ (LBasis‘𝐹) = (LBasis‘𝐹)
29	1, 15, 28	frlmlbs 21750	. . . . . . 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 21029	. . . . . 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 2740	. . . 4 ⊢ (𝜑 → 𝐵 = ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼)))
34	33	imaeq2d 6017	. . 3 ⊢ (𝜑 → (𝐸 “ 𝐵) = (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))))
35	27, 34	eqtr3d 2771	. 2 ⊢ (𝜑 → ran 𝐸 = (𝐸 “ ((LSpan‘𝐹)‘ran (𝑅 unitVec 𝐼))))
36		imaco 6207	. . . 4 ⊢ ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼) = (𝐸 “ ((𝑅 unitVec 𝐼) “ 𝐼))
37	9	ffnd 6661	. . . . . . 7 ⊢ (𝜑 → 𝐴 Fn 𝐼)
38	17	ffnd 6661	. . . . . . . 8 ⊢ (𝜑 → (𝑅 unitVec 𝐼) Fn 𝐼)
39		fnco 6608	. . . . . . . 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 1373	. . . . . . 7 ⊢ (𝜑 → (𝐸 ∘ (𝑅 unitVec 𝐼)) Fn 𝐼)
41		fvco2 6929	. . . . . . . . 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 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑇 ∈ LMod)
44	7	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝐼 ∈ 𝑋)
45	8	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑅 = (Scalar‘𝑇))
46	9	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝐴:𝐼⟶𝐶)
47		simpr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → 𝑢 ∈ 𝐼)
48	1, 2, 3, 4, 5, 43, 44, 45, 46, 47, 15	frlmup2 21752	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → (𝐸‘((𝑅 unitVec 𝐼)‘𝑢)) = (𝐴‘𝑢))
49	42, 48	eqtr2d 2770	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐼) → (𝐴‘𝑢) = ((𝐸 ∘ (𝑅 unitVec 𝐼))‘𝑢))
50	37, 40, 49	eqfnfvd 6977	. . . . . 6 ⊢ (𝜑 → 𝐴 = (𝐸 ∘ (𝑅 unitVec 𝐼)))
51	50	imaeq1d 6016	. . . . 5 ⊢ (𝜑 → (𝐴 “ 𝐼) = ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼))
52		fnima 6620	. . . . . 6 ⊢ (𝐴 Fn 𝐼 → (𝐴 “ 𝐼) = ran 𝐴)
53	37, 52	syl 17	. . . . 5 ⊢ (𝜑 → (𝐴 “ 𝐼) = ran 𝐴)
54	51, 53	eqtr3d 2771	. . . 4 ⊢ (𝜑 → ((𝐸 ∘ (𝑅 unitVec 𝐼)) “ 𝐼) = ran 𝐴)
55		fnima 6620	. . . . . 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 6017	. . . 4 ⊢ (𝜑 → (𝐸 “ ((𝑅 unitVec 𝐼) “ 𝐼)) = (𝐸 “ ran (𝑅 unitVec 𝐼)))
58	36, 54, 57	3eqtr3a 2793	. . 3 ⊢ (𝜑 → ran 𝐴 = (𝐸 “ ran (𝑅 unitVec 𝐼)))
59	58	fveq2d 6836	. 2 ⊢ (𝜑 → (𝐾‘ran 𝐴) = (𝐾‘(𝐸 “ ran (𝑅 unitVec 𝐼))))
60	22, 35, 59	3eqtr4d 2779	1 ⊢ (𝜑 → ran 𝐸 = (𝐾‘ran 𝐴))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ⊆ wss 3899 ↦ cmpt 5177 ran crn 5623 “ cima 5625 ∘ ccom 5626 Fn wfn 6485 ⟶wf 6486 ‘cfv 6490 (class class class)co 7356 ∘_f cof 7618 Basecbs 17134 Scalarcsca 17178 ·_𝑠 cvsca 17179 Σ_g cgsu 17358 Ringcrg 20166 LModclmod 20809 LSpanclspn 20920 LMHom clmhm 20969 LBasisclbs 21024 freeLMod cfrlm 21699 unitVec cuvc 21735

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-tp 4583 df-op 4585 df-uni 4862 df-int 4901 df-iun 4946 df-iin 4947 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7620 df-om 7807 df-1st 7931 df-2nd 7932 df-supp 8101 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-2o 8396 df-er 8633 df-map 8763 df-ixp 8834 df-en 8882 df-dom 8883 df-sdom 8884 df-fin 8885 df-fsupp 9263 df-sup 9343 df-oi 9413 df-card 9849 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-n0 12400 df-z 12487 df-dec 12606 df-uz 12750 df-fz 13422 df-fzo 13569 df-seq 13923 df-hash 14252 df-struct 17072 df-sets 17089 df-slot 17107 df-ndx 17119 df-base 17135 df-ress 17156 df-plusg 17188 df-mulr 17189 df-sca 17191 df-vsca 17192 df-ip 17193 df-tset 17194 df-ple 17195 df-ds 17197 df-hom 17199 df-cco 17200 df-0g 17359 df-gsum 17360 df-prds 17365 df-pws 17367 df-mre 17503 df-mrc 17504 df-acs 17506 df-mgm 18563 df-sgrp 18642 df-mnd 18658 df-mhm 18706 df-submnd 18707 df-grp 18864 df-minusg 18865 df-sbg 18866 df-mulg 18996 df-subg 19051 df-ghm 19140 df-cntz 19244 df-cmn 19709 df-abl 19710 df-mgp 20074 df-rng 20086 df-ur 20115 df-ring 20168 df-nzr 20444 df-subrg 20501 df-lmod 20811 df-lss 20881 df-lsp 20921 df-lmhm 20972 df-lbs 21025 df-sra 21123 df-rgmod 21124 df-dsmm 21685 df-frlm 21700 df-uvc 21736

This theorem is referenced by: ellspd 21755 indlcim 21793 lnrfg 43303

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