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Theorem lmodvsdi 20882
Description: Distributive law for scalar product (left-distributivity). (ax-hvdistr1 31104 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 2740 . . . . . . . . 9 (+g𝐹) = (+g𝐹)
7 eqid 2740 . . . . . . . . 9 (.r𝐹) = (.r𝐹)
8 eqid 2740 . . . . . . . . 9 (1r𝐹) = (1r𝐹)
91, 2, 3, 4, 5, 6, 7, 8lmodlema 20862 . . . . . . . 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 495 . . . . . . 7 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → ((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋) + (𝑅 · 𝑋))))
1110simp2d 1149 . . . . . 6 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑌𝑉𝑋𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
12113expia 1127 . . . . 5 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑅𝐾)) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1312anabsan2 680 . . . 4 ((𝑊 ∈ LMod ∧ 𝑅𝐾) → ((𝑌𝑉𝑋𝑉) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌))))
1413exp4b 431 . . 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 1356 1 ((𝑊 ∈ LMod ∧ (𝑅𝐾𝑋𝑉𝑌𝑉)) → (𝑅 · (𝑋 + 𝑌)) = ((𝑅 · 𝑋) + (𝑅 · 𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1092   = wceq 1547  wcel 2119  cfv 6492  (class class class)co 7363  Basecbs 17177  +gcplusg 17218  .rcmulr 17219  Scalarcsca 17221   ·𝑠 cvsca 17222  1rcur 20160  LModclmod 20857
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-ext 2712  ax-nul 5235
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-sb 2074  df-clab 2719  df-cleq 2732  df-clel 2815  df-ne 2936  df-ral 3055  df-rab 3393  df-v 3434  df-sbc 3731  df-dif 3893  df-un 3895  df-ss 3907  df-nul 4269  df-if 4462  df-sn 4563  df-pr 4565  df-op 4569  df-uni 4846  df-br 5080  df-iota 6448  df-fv 6500  df-ov 7366  df-lmod 20859
This theorem is referenced by:  lmodcom  20905  lmodsubdi  20916  lmodvsghm  20920  islss3  20956  prdslmodd  20966  lmodvsinv2  21034  lmhmplusg  21041  lsmcl  21080  pj1lmhm  21097  lspfixed  21128  lspsolvlem  21142  clmvsdi  25084  cvsi  25122  eqgvscpbl  33440  imaslmod  33443  lshpkrlem4  39612  baerlem5alem1  42207  baerlem5blem1  42208  hdmap14lem8  42374  mendlmod  43641  lmodvsmdi  48877
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