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Theorem lmodvscld 20878
Description: Closure of scalar product for a left module. (Contributed by SN, 15-Mar-2025.)
Hypotheses
Ref Expression
lmodvscld.v 𝑉 = (Base‘𝑊)
lmodvscld.f 𝐹 = (Scalar‘𝑊)
lmodvscld.s · = ( ·𝑠𝑊)
lmodvscld.k 𝐾 = (Base‘𝐹)
lmodvscld.w (𝜑𝑊 ∈ LMod)
lmodvscld.r (𝜑𝑅𝐾)
lmodvscld.x (𝜑𝑋𝑉)
Assertion
Ref Expression
lmodvscld (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)

Proof of Theorem lmodvscld
StepHypRef Expression
1 lmodvscld.w . 2 (𝜑𝑊 ∈ LMod)
2 lmodvscld.r . 2 (𝜑𝑅𝐾)
3 lmodvscld.x . 2 (𝜑𝑋𝑉)
4 lmodvscld.v . . 3 𝑉 = (Base‘𝑊)
5 lmodvscld.f . . 3 𝐹 = (Scalar‘𝑊)
6 lmodvscld.s . . 3 · = ( ·𝑠𝑊)
7 lmodvscld.k . . 3 𝐾 = (Base‘𝐹)
84, 5, 6, 7lmodvscl 20877 . 2 ((𝑊 ∈ LMod ∧ 𝑅𝐾𝑋𝑉) → (𝑅 · 𝑋) ∈ 𝑉)
91, 2, 3, 8syl3anc 1372 1 (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539  wcel 2107  cfv 6560  (class class class)co 7432  Basecbs 17248  Scalarcsca 17301   ·𝑠 cvsca 17302  LModclmod 20859
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-ext 2707  ax-nul 5305
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-sb 2064  df-clab 2714  df-cleq 2728  df-clel 2815  df-ne 2940  df-ral 3061  df-rab 3436  df-v 3481  df-sbc 3788  df-dif 3953  df-un 3955  df-ss 3967  df-nul 4333  df-if 4525  df-sn 4626  df-pr 4628  df-op 4632  df-uni 4907  df-br 5143  df-iota 6513  df-fv 6568  df-ov 7435  df-lmod 20861
This theorem is referenced by:  assa2ass2  21885  mhpvscacl  22159  ply1vscl  22389  ressasclcl  33597  q1pvsca  33625  r1pvsca  33626  r1plmhm  33631  ply1degltdimlem  33674  lactlmhm  33686  algextdeglem8  33766  frlmsnic  42555  selvvvval  42600  prjspvs  42625  prjspeclsp  42627  asclelbasALT  48911
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