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Theorem lincvalsc0 44769
Description: The linear combination where all scalars are 0. (Contributed by AV, 12-Apr-2019.)
Hypotheses
Ref Expression
lincvalsc0.b 𝐵 = (Base‘𝑀)
lincvalsc0.s 𝑆 = (Scalar‘𝑀)
lincvalsc0.0 0 = (0g𝑆)
lincvalsc0.z 𝑍 = (0g𝑀)
lincvalsc0.f 𝐹 = (𝑥𝑉0 )
Assertion
Ref Expression
lincvalsc0 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝐹( linC ‘𝑀)𝑉) = 𝑍)
Distinct variable groups:   𝑥,𝐵   𝑥,𝑀   𝑥,𝑉   𝑥, 0
Allowed substitution hints:   𝑆(𝑥)   𝐹(𝑥)   𝑍(𝑥)

Proof of Theorem lincvalsc0
Dummy variable 𝑣 is distinct from all other variables.
StepHypRef Expression
1 simpl 486 . . 3 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → 𝑀 ∈ LMod)
2 lincvalsc0.s . . . . . . . 8 𝑆 = (Scalar‘𝑀)
32eqcomi 2831 . . . . . . . . 9 (Scalar‘𝑀) = 𝑆
43fveq2i 6655 . . . . . . . 8 (Base‘(Scalar‘𝑀)) = (Base‘𝑆)
5 lincvalsc0.0 . . . . . . . 8 0 = (0g𝑆)
62, 4, 5lmod0cl 19651 . . . . . . 7 (𝑀 ∈ LMod → 0 ∈ (Base‘(Scalar‘𝑀)))
76adantr 484 . . . . . 6 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → 0 ∈ (Base‘(Scalar‘𝑀)))
87adantr 484 . . . . 5 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑥𝑉) → 0 ∈ (Base‘(Scalar‘𝑀)))
9 lincvalsc0.f . . . . 5 𝐹 = (𝑥𝑉0 )
108, 9fmptd 6860 . . . 4 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → 𝐹:𝑉⟶(Base‘(Scalar‘𝑀)))
11 fvexd 6667 . . . . 5 (𝑀 ∈ LMod → (Base‘(Scalar‘𝑀)) ∈ V)
12 elmapg 8406 . . . . 5 (((Base‘(Scalar‘𝑀)) ∈ V ∧ 𝑉 ∈ 𝒫 𝐵) → (𝐹 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉) ↔ 𝐹:𝑉⟶(Base‘(Scalar‘𝑀))))
1311, 12sylan 583 . . . 4 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝐹 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉) ↔ 𝐹:𝑉⟶(Base‘(Scalar‘𝑀))))
1410, 13mpbird 260 . . 3 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → 𝐹 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉))
15 lincvalsc0.b . . . . . . 7 𝐵 = (Base‘𝑀)
1615pweqi 4529 . . . . . 6 𝒫 𝐵 = 𝒫 (Base‘𝑀)
1716eleq2i 2905 . . . . 5 (𝑉 ∈ 𝒫 𝐵𝑉 ∈ 𝒫 (Base‘𝑀))
1817biimpi 219 . . . 4 (𝑉 ∈ 𝒫 𝐵𝑉 ∈ 𝒫 (Base‘𝑀))
1918adantl 485 . . 3 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → 𝑉 ∈ 𝒫 (Base‘𝑀))
20 lincval 44757 . . 3 ((𝑀 ∈ LMod ∧ 𝐹 ∈ ((Base‘(Scalar‘𝑀)) ↑m 𝑉) ∧ 𝑉 ∈ 𝒫 (Base‘𝑀)) → (𝐹( linC ‘𝑀)𝑉) = (𝑀 Σg (𝑣𝑉 ↦ ((𝐹𝑣)( ·𝑠𝑀)𝑣))))
211, 14, 19, 20syl3anc 1368 . 2 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝐹( linC ‘𝑀)𝑉) = (𝑀 Σg (𝑣𝑉 ↦ ((𝐹𝑣)( ·𝑠𝑀)𝑣))))
22 simpr 488 . . . . . . 7 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → 𝑣𝑉)
235fvexi 6666 . . . . . . 7 0 ∈ V
24 eqidd 2823 . . . . . . . 8 (𝑥 = 𝑣0 = 0 )
2524, 9fvmptg 6748 . . . . . . 7 ((𝑣𝑉0 ∈ V) → (𝐹𝑣) = 0 )
2622, 23, 25sylancl 589 . . . . . 6 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → (𝐹𝑣) = 0 )
2726oveq1d 7155 . . . . 5 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → ((𝐹𝑣)( ·𝑠𝑀)𝑣) = ( 0 ( ·𝑠𝑀)𝑣))
281adantr 484 . . . . . 6 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → 𝑀 ∈ LMod)
29 elelpwi 4523 . . . . . . . . 9 ((𝑣𝑉𝑉 ∈ 𝒫 𝐵) → 𝑣𝐵)
3029expcom 417 . . . . . . . 8 (𝑉 ∈ 𝒫 𝐵 → (𝑣𝑉𝑣𝐵))
3130adantl 485 . . . . . . 7 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝑣𝑉𝑣𝐵))
3231imp 410 . . . . . 6 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → 𝑣𝐵)
33 eqid 2822 . . . . . . 7 ( ·𝑠𝑀) = ( ·𝑠𝑀)
34 lincvalsc0.z . . . . . . 7 𝑍 = (0g𝑀)
3515, 2, 33, 5, 34lmod0vs 19658 . . . . . 6 ((𝑀 ∈ LMod ∧ 𝑣𝐵) → ( 0 ( ·𝑠𝑀)𝑣) = 𝑍)
3628, 32, 35syl2anc 587 . . . . 5 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → ( 0 ( ·𝑠𝑀)𝑣) = 𝑍)
3727, 36eqtrd 2857 . . . 4 (((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) ∧ 𝑣𝑉) → ((𝐹𝑣)( ·𝑠𝑀)𝑣) = 𝑍)
3837mpteq2dva 5137 . . 3 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝑣𝑉 ↦ ((𝐹𝑣)( ·𝑠𝑀)𝑣)) = (𝑣𝑉𝑍))
3938oveq2d 7156 . 2 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝑀 Σg (𝑣𝑉 ↦ ((𝐹𝑣)( ·𝑠𝑀)𝑣))) = (𝑀 Σg (𝑣𝑉𝑍)))
40 lmodgrp 19632 . . . 4 (𝑀 ∈ LMod → 𝑀 ∈ Grp)
41 grpmnd 18101 . . . 4 (𝑀 ∈ Grp → 𝑀 ∈ Mnd)
4240, 41syl 17 . . 3 (𝑀 ∈ LMod → 𝑀 ∈ Mnd)
4334gsumz 17991 . . 3 ((𝑀 ∈ Mnd ∧ 𝑉 ∈ 𝒫 𝐵) → (𝑀 Σg (𝑣𝑉𝑍)) = 𝑍)
4442, 43sylan 583 . 2 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝑀 Σg (𝑣𝑉𝑍)) = 𝑍)
4521, 39, 443eqtrd 2861 1 ((𝑀 ∈ LMod ∧ 𝑉 ∈ 𝒫 𝐵) → (𝐹( linC ‘𝑀)𝑉) = 𝑍)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 209  wa 399   = wceq 1538  wcel 2114  Vcvv 3469  𝒫 cpw 4511  cmpt 5122  wf 6330  cfv 6334  (class class class)co 7140  m cmap 8393  Basecbs 16474  Scalarcsca 16559   ·𝑠 cvsca 16560  0gc0g 16704   Σg cgsu 16705  Mndcmnd 17902  Grpcgrp 18094  LModclmod 19625   linC clinc 44752
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 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2178  ax-ext 2794  ax-rep 5166  ax-sep 5179  ax-nul 5186  ax-pow 5243  ax-pr 5307  ax-un 7446
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2622  df-eu 2653  df-clab 2801  df-cleq 2815  df-clel 2894  df-nfc 2962  df-ne 3012  df-ral 3135  df-rex 3136  df-reu 3137  df-rmo 3138  df-rab 3139  df-v 3471  df-sbc 3748  df-csb 3856  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4266  df-if 4440  df-pw 4513  df-sn 4540  df-pr 4542  df-op 4546  df-uni 4814  df-iun 4896  df-br 5043  df-opab 5105  df-mpt 5123  df-id 5437  df-xp 5538  df-rel 5539  df-cnv 5540  df-co 5541  df-dm 5542  df-rn 5543  df-res 5544  df-ima 5545  df-pred 6126  df-iota 6293  df-fun 6336  df-fn 6337  df-f 6338  df-f1 6339  df-fo 6340  df-f1o 6341  df-fv 6342  df-riota 7098  df-ov 7143  df-oprab 7144  df-mpo 7145  df-1st 7675  df-2nd 7676  df-wrecs 7934  df-recs 7995  df-rdg 8033  df-map 8395  df-seq 13365  df-0g 16706  df-gsum 16707  df-mgm 17843  df-sgrp 17892  df-mnd 17903  df-grp 18097  df-ring 19290  df-lmod 19627  df-linc 44754
This theorem is referenced by:  lcoc0  44770
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