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Theorem slmdvscl 33195
Description: Closure of scalar product for a semiring left module. (hvmulcl 31047 analog.) (Contributed by NM, 8-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.) (Revised by Thierry Arnoux, 1-Apr-2018.)
Hypotheses
Ref Expression
slmdvscl.v 𝑉 = (Base‘𝑊)
slmdvscl.f 𝐹 = (Scalar‘𝑊)
slmdvscl.s · = ( ·𝑠𝑊)
slmdvscl.k 𝐾 = (Base‘𝐹)
Assertion
Ref Expression
slmdvscl ((𝑊 ∈ SLMod ∧ 𝑅𝐾𝑋𝑉) → (𝑅 · 𝑋) ∈ 𝑉)

Proof of Theorem slmdvscl
StepHypRef Expression
1 biid 261 . 2 (𝑊 ∈ SLMod ↔ 𝑊 ∈ SLMod)
2 pm4.24 563 . 2 (𝑅𝐾 ↔ (𝑅𝐾𝑅𝐾))
3 pm4.24 563 . 2 (𝑋𝑉 ↔ (𝑋𝑉𝑋𝑉))
4 slmdvscl.v . . . . 5 𝑉 = (Base‘𝑊)
5 eqid 2740 . . . . 5 (+g𝑊) = (+g𝑊)
6 slmdvscl.s . . . . 5 · = ( ·𝑠𝑊)
7 eqid 2740 . . . . 5 (0g𝑊) = (0g𝑊)
8 slmdvscl.f . . . . 5 𝐹 = (Scalar‘𝑊)
9 slmdvscl.k . . . . 5 𝐾 = (Base‘𝐹)
10 eqid 2740 . . . . 5 (+g𝐹) = (+g𝐹)
11 eqid 2740 . . . . 5 (.r𝐹) = (.r𝐹)
12 eqid 2740 . . . . 5 (1r𝐹) = (1r𝐹)
13 eqid 2740 . . . . 5 (0g𝐹) = (0g𝐹)
144, 5, 6, 7, 8, 9, 10, 11, 12, 13slmdlema 33184 . . . 4 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑋𝑉𝑋𝑉)) → (((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋(+g𝑊)𝑋)) = ((𝑅 · 𝑋)(+g𝑊)(𝑅 · 𝑋)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋)(+g𝑊)(𝑅 · 𝑋))) ∧ (((𝑅(.r𝐹)𝑅) · 𝑋) = (𝑅 · (𝑅 · 𝑋)) ∧ ((1r𝐹) · 𝑋) = 𝑋 ∧ ((0g𝐹) · 𝑋) = (0g𝑊))))
1514simpld 494 . . 3 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑋𝑉𝑋𝑉)) → ((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋(+g𝑊)𝑋)) = ((𝑅 · 𝑋)(+g𝑊)(𝑅 · 𝑋)) ∧ ((𝑅(+g𝐹)𝑅) · 𝑋) = ((𝑅 · 𝑋)(+g𝑊)(𝑅 · 𝑋))))
1615simp1d 1142 . 2 ((𝑊 ∈ SLMod ∧ (𝑅𝐾𝑅𝐾) ∧ (𝑋𝑉𝑋𝑉)) → (𝑅 · 𝑋) ∈ 𝑉)
171, 2, 3, 16syl3anb 1161 1 ((𝑊 ∈ SLMod ∧ 𝑅𝐾𝑋𝑉) → (𝑅 · 𝑋) ∈ 𝑉)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1087   = wceq 1537  wcel 2108  cfv 6575  (class class class)co 7450  Basecbs 17260  +gcplusg 17313  .rcmulr 17314  Scalarcsca 17316   ·𝑠 cvsca 17317  0gc0g 17501  1rcur 20210  SLModcslmd 33181
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 6527  df-fv 6583  df-ov 7453  df-slmd 33182
This theorem is referenced by:  gsumvsca1  33207  gsumvsca2  33208  sitgaddlemb  34315
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