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Theorem lmodvsdi 20883
Description: Distributive law for scalar product (left-distributivity). (ax-hvdistr1 31027 analog.) (Contributed by NM, 10-Jan-2014.) (Revised by Mario Carneiro, 22-Sep-2015.)
Hypotheses
Ref Expression
lmodvsdi.v 𝑉 = (Base‘𝑊)
lmodvsdi.a + = (+g𝑊)
lmodvsdi.f 𝐹 = (Scalar‘𝑊)
lmodvsdi.s · = ( ·𝑠𝑊)
lmodvsdi.k 𝐾 = (Base‘𝐹)
Assertion
Ref Expression
lmodvsdi ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑋𝑉𝑌𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))

Proof of Theorem lmodvsdi
StepHypRef Expression
1 lmodvsdi.v . . . . . . . . 9 𝑉 = (Base‘𝑊)
2 lmodvsdi.a . . . . . . . . 9 + = (+g𝑊)
3 lmodvsdi.s . . . . . . . . 9 · = ( ·𝑠𝑊)
4 lmodvsdi.f . . . . . . . . 9 𝐹 = (Scalar‘𝑊)
5 lmodvsdi.k . . . . . . . . 9 𝐾 = (Base‘𝐹)
6 eqid 2737 . . . . . . . . 9 (+g𝐹) = (+g𝐹)
7 eqid 2737 . . . . . . . . 9 (.r𝐹) = (.r𝐹)
8 eqid 2737 . . . . . . . . 9 (1r𝐹) = (1r𝐹)
91, 2, 3, 4, 5, 6, 7, 8lmodlema 20863 . . . . . . . 8 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → (((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋) + (𝑅 · 𝑋))) ∧ (((𝑅(.r𝐹)𝑅) · 𝑋) = (𝑅 · (𝑅 · 𝑋)) ∧ ((1r𝐹) · 𝑋) = 𝑋)))
109simpld 494 . . . . . . 7 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → ((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋) + (𝑅 · 𝑋))))
1110simp2d 1144 . . . . . 6 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
12113expia 1122 . . . . 5 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾)) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1312anabsan2 674 . . . 4 ((𝑊 ∈ LMod ∧ 𝑅𝐾) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1413exp4b 430 . . 3 (𝑊 ∈ LMod → (𝑅𝐾 → (𝑌𝑉 → (𝑋𝑉 → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))))
1514com34 91 . 2 (𝑊 ∈ LMod → (𝑅𝐾 → (𝑋𝑉 → (𝑌𝑉 → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))))
16153imp2 1350 1 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑋𝑉𝑌𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1087   = wceq 1540  wcel 2108  cfv 6561  (class class class)co 7431  Basecbs 17247  +gcplusg 17297  .rcmulr 17298  Scalarcsca 17300   ·𝑠 cvsca 17301  1rcur 20178  LModclmod 20858
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2708  ax-nul 5306
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2065  df-clab 2715  df-cleq 2729  df-clel 2816  df-ne 2941  df-ral 3062  df-rab 3437  df-v 3482  df-sbc 3789  df-dif 3954  df-un 3956  df-ss 3968  df-nul 4334  df-if 4526  df-sn 4627  df-pr 4629  df-op 4633  df-uni 4908  df-br 5144  df-iota 6514  df-fv 6569  df-ov 7434  df-lmod 20860
This theorem is referenced by:  lmodcom  20906  lmodsubdi  20917  lmodvsghm  20921  islss3  20957  prdslmodd  20967  lmodvsinv2  21036  lmhmplusg  21043  lsmcl  21082  pj1lmhm  21099  lspfixed  21130  lspsolvlem  21144  clmvsdi  25125  cvsi  25163  eqgvscpbl  33378  imaslmod  33381  lshpkrlem4  39114  baerlem5alem1  41710  baerlem5blem1  41711  hdmap14lem8  41877  mendlmod  43201  lmodvsmdi  48295
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