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Theorem lmodvscld 20899
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 20898 . 2 ((𝑊 ∈ LMod ∧ 𝑅𝐾𝑋𝑉) → (𝑅 · 𝑋) ∈ 𝑉)
91, 2, 3, 8syl3anc 1371 1 (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2108  cfv 6573  (class class class)co 7448  Basecbs 17258  Scalarcsca 17314   ·𝑠 cvsca 17315  LModclmod 20880
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2711  ax-nul 5324
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-sb 2065  df-clab 2718  df-cleq 2732  df-clel 2819  df-ne 2947  df-ral 3068  df-rab 3444  df-v 3490  df-sbc 3805  df-dif 3979  df-un 3981  df-ss 3993  df-nul 4353  df-if 4549  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-br 5167  df-iota 6525  df-fv 6581  df-ov 7451  df-lmod 20882
This theorem is referenced by:  assa2ass2  21907  mhpvscacl  22181  ply1vscl  22409  ressasclcl  33561  q1pvsca  33589  r1pvsca  33590  r1plmhm  33595  ply1degltdimlem  33635  lactlmhm  33647  algextdeglem8  33715  frlmsnic  42495  selvvvval  42540  prjspvs  42565  prjspeclsp  42567
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