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Theorem slmdvsdi 33544
Description: Distributive law for scalar product. (ax-hvdistr1 31371 analog.) (Contributed by NM, 10-Jan-2014.) (Revised by Mario Carneiro, 22-Sep-2015.) (Revised by Thierry Arnoux, 1-Apr-2018.)
Hypotheses
Ref Expression
slmdvsdi.v 𝑉 = (Base‘𝑊)
slmdvsdi.a + = (+g𝑊)
slmdvsdi.f 𝐹 = (Scalar‘𝑊)
slmdvsdi.s · = ( ·𝑠𝑊)
slmdvsdi.k 𝐾 = (Base‘𝐹)
Assertion
Ref Expression
slmdvsdi ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑋𝑉𝑌𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))

Proof of Theorem slmdvsdi
StepHypRef Expression
1 slmdvsdi.v . . . . . . . . 9 𝑉 = (Base‘𝑊)
2 slmdvsdi.a . . . . . . . . 9 + = (+g𝑊)
3 slmdvsdi.s . . . . . . . . 9 · = ( ·𝑠𝑊)
4 eqid 2762 . . . . . . . . 9 (0g𝑊) = (0g𝑊)
5 slmdvsdi.f . . . . . . . . 9 𝐹 = (Scalar‘𝑊)
6 slmdvsdi.k . . . . . . . . 9 𝐾 = (Base‘𝐹)
7 eqid 2762 . . . . . . . . 9 (+g𝐹) = (+g𝐹)
8 eqid 2762 . . . . . . . . 9 (.r𝐹) = (.r𝐹)
9 eqid 2762 . . . . . . . . 9 (1r𝐹) = (1r𝐹)
10 eqid 2762 . . . . . . . . 9 (0g𝐹) = (0g𝐹)
111, 2, 3, 4, 5, 6, 7, 8, 9, 10slmdlema 33532 . . . . . . . 8 ((𝑊 ∈ SLMod ∧ (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 ∧ ((0g𝐹) · 𝑋) = (0g𝑊))))
1211simpld 499 . . . . . . 7 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → ((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋) + (𝑅 · 𝑋))))
1312simp2d 1160 . . . . . 6 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
14133expia 1138 . . . . 5 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾)) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1514anabsan2 686 . . . 4 ((𝑊 ∈ SLMod ∧ 𝑅𝐾) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1615exp4b 435 . . 3 (𝑊 ∈ SLMod → (𝑅𝐾 → (𝑌𝑉 → (𝑋𝑉 → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))))
1716com34 92 . 2 (𝑊 ∈ SLMod → (𝑅𝐾 → (𝑋𝑉 → (𝑌𝑉 → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))))
18173imp2 1367 1 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑋𝑉𝑌𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 400  w3a 1102   = wceq 1569  wcel 2142  cfv 6536  (class class class)co 7412  Basecbs 17275  +gcplusg 17316  .rcmulr 17317  Scalarcsca 17319   ·𝑠 cvsca 17320  0gc0g 17498  1rcur 20269  SLModcslmd 33529
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734  ax-nul 5268
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-ne 2958  df-ral 3079  df-rab 3416  df-v 3456  df-sbc 3744  df-dif 3907  df-un 3909  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-uni 4872  df-br 5109  df-iota 6492  df-fv 6544  df-ov 7415  df-slmd 33530
This theorem is used by:  gsumvsca1  33555
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