Theorem lmodvscld 20816

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	⊢ · = ( ·𝑠 ‘𝑊)
lmodvscld.k	⊢ 𝐾 = (Base‘𝐹)
lmodvscld.w	⊢ (𝜑 → 𝑊 ∈ LMod)
lmodvscld.r	⊢ (𝜑 → 𝑅 ∈ 𝐾)
lmodvscld.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)

Assertion

Ref	Expression
lmodvscld	⊢ (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)

Proof of Theorem lmodvscld

Step	Hyp	Ref	Expression
1		lmodvscld.w	. 2 ⊢ (𝜑 → 𝑊 ∈ LMod)
2		lmodvscld.r	. 2 ⊢ (𝜑 → 𝑅 ∈ 𝐾)
3		lmodvscld.x	. 2 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
4		lmodvscld.v	. . 3 ⊢ 𝑉 = (Base‘𝑊)
5		lmodvscld.f	. . 3 ⊢ 𝐹 = (Scalar‘𝑊)
6		lmodvscld.s	. . 3 ⊢ · = ( ·𝑠 ‘𝑊)
7		lmodvscld.k	. . 3 ⊢ 𝐾 = (Base‘𝐹)
8	4, 5, 6, 7	lmodvscl 20815	. 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉) → (𝑅 · 𝑋) ∈ 𝑉)
9	1, 2, 3, 8	syl3anc 1373	1 ⊢ (𝜑 → (𝑅 · 𝑋) ∈ 𝑉)

Syntax hints:   → wi 4   = wceq 1541   ∈ wcel 2113  ‘cfv 6488  (class class class)co 7354  Basecbs 17124  Scalarcsca 17168   ·_𝑠 cvsca 17169  LModclmod 20797

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2705  ax-nul 5248

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2712  df-cleq 2725  df-clel 2808  df-ne 2930  df-ral 3049  df-rab 3397  df-v 3439  df-sbc 3738  df-dif 3901  df-un 3903  df-ss 3915  df-nul 4283  df-if 4477  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4861  df-br 5096  df-iota 6444  df-fv 6496  df-ov 7357  df-lmod 20799

This theorem is referenced by:  assa2ass2  21805  mhpvscacl  22072  ply1vscl  22302  ressasclcl  33543  q1pvsca  33573  r1pvsca  33574  r1plmhm  33579  ply1degltdimlem  33658  lactlmhm  33670  extdgfialglem2  33729  algextdeglem8  33760  frlmsnic  42661  selvvvval  42706  prjspvs  42731  prjspeclsp  42733  asclelbasALT  49134