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Theorem lmodvscld 20834
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 20833 . 2 ((𝑊 ∈ LMod ∧ 𝑅𝐾𝑋𝑉) → (𝑅 · 𝑋) ∈ 𝑉)
91, 2, 3, 8syl3anc 1373 1 (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1540  wcel 2108  cfv 6530  (class class class)co 7403  Basecbs 17226  Scalarcsca 17272   ·𝑠 cvsca 17273  LModclmod 20815
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 2707  ax-nul 5276
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2065  df-clab 2714  df-cleq 2727  df-clel 2809  df-ne 2933  df-ral 3052  df-rab 3416  df-v 3461  df-sbc 3766  df-dif 3929  df-un 3931  df-ss 3943  df-nul 4309  df-if 4501  df-sn 4602  df-pr 4604  df-op 4608  df-uni 4884  df-br 5120  df-iota 6483  df-fv 6538  df-ov 7406  df-lmod 20817
This theorem is referenced by:  assa2ass2  21822  mhpvscacl  22090  ply1vscl  22320  ressasclcl  33530  q1pvsca  33559  r1pvsca  33560  r1plmhm  33565  ply1degltdimlem  33608  lactlmhm  33620  algextdeglem8  33704  frlmsnic  42510  selvvvval  42555  prjspvs  42580  prjspeclsp  42582  asclelbasALT  48929
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