Theorem slmdvsass 33771

Description: Associative law for scalar product. (ax-hvmulass 31602 analog.) (Contributed by NM, 10-Jan-2014.) (Revised by Mario Carneiro, 22-Sep-2015.) (Revised by Thierry Arnoux, 1-Apr-2018.)

Hypotheses

Ref	Expression
slmdvsass.v	⊢ 𝑉 = (Base‘𝑊)
slmdvsass.f	⊢ 𝐹 = (Scalar‘𝑊)
slmdvsass.s	⊢ · = ( ·𝑠 ‘𝑊)
slmdvsass.k	⊢ 𝐾 = (Base‘𝐹)
slmdvsass.t	⊢ × = (.r‘𝐹)

Assertion

Ref	Expression
slmdvsass	⊢ ((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉)) → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)))

Proof of Theorem slmdvsass

Step	Hyp	Ref	Expression
1		slmdvsass.v	. . . . . . . 8 ⊢ 𝑉 = (Base‘𝑊)
2		eqid 2761	. . . . . . . 8 ⊢ (+g‘𝑊) = (+g‘𝑊)
3		slmdvsass.s	. . . . . . . 8 ⊢ · = ( ·𝑠 ‘𝑊)
4		eqid 2761	. . . . . . . 8 ⊢ (0g‘𝑊) = (0g‘𝑊)
5		slmdvsass.f	. . . . . . . 8 ⊢ 𝐹 = (Scalar‘𝑊)
6		slmdvsass.k	. . . . . . . 8 ⊢ 𝐾 = (Base‘𝐹)
7		eqid 2761	. . . . . . . 8 ⊢ (+g‘𝐹) = (+g‘𝐹)
8		slmdvsass.t	. . . . . . . 8 ⊢ × = (.r‘𝐹)
9		eqid 2761	. . . . . . . 8 ⊢ (1r‘𝐹) = (1r‘𝐹)
10		eqid 2761	. . . . . . . 8 ⊢ (0g‘𝐹) = (0g‘𝐹)
11	1, 2, 3, 4, 5, 6, 7, 8, 9, 10	slmdlema 33757	. . . . . . 7 ⊢ ((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾) ∧ (𝑋 ∈ 𝑉 ∧ 𝑋 ∈ 𝑉)) → (((𝑅 · 𝑋) ∈ 𝑉 ∧ (𝑅 · (𝑋(+g‘𝑊)𝑋)) = ((𝑅 · 𝑋)(+g‘𝑊)(𝑅 · 𝑋)) ∧ ((𝑄(+g‘𝐹)𝑅) · 𝑋) = ((𝑄 · 𝑋)(+g‘𝑊)(𝑅 · 𝑋))) ∧ (((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)) ∧ ((1r‘𝐹) · 𝑋) = 𝑋 ∧ ((0g‘𝐹) · 𝑋) = (0g‘𝑊))))
12	11	simprd 501	. . . . . 6 ⊢ ((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾) ∧ (𝑋 ∈ 𝑉 ∧ 𝑋 ∈ 𝑉)) → (((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)) ∧ ((1r‘𝐹) · 𝑋) = 𝑋 ∧ ((0g‘𝐹) · 𝑋) = (0g‘𝑊)))
13	12	simp1d 1160	. . . . 5 ⊢ ((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾) ∧ (𝑋 ∈ 𝑉 ∧ 𝑋 ∈ 𝑉)) → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)))
14	13	3expa 1136	. . . 4 ⊢ (((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾)) ∧ (𝑋 ∈ 𝑉 ∧ 𝑋 ∈ 𝑉)) → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)))
15	14	anabsan2 687	. . 3 ⊢ (((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾)) ∧ 𝑋 ∈ 𝑉) → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)))
16	15	exp42 441	. 2 ⊢ (𝑊 ∈ SLMod → (𝑄 ∈ 𝐾 → (𝑅 ∈ 𝐾 → (𝑋 ∈ 𝑉 → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋))))))
17	16	3imp2 1368	1 ⊢ ((𝑊 ∈ SLMod ∧ (𝑄 ∈ 𝐾 ∧ 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉)) → ((𝑄 × 𝑅) · 𝑋) = (𝑄 · (𝑅 · 𝑋)))

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∧ w3a 1103   = wceq 1570   ∈ wcel 2145  ‘cfv 6537  (class class class)co 7418  Basecbs 17380  +_gcplusg 17421  ._rcmulr 17422  Scalarcsca 17424   ·_𝑠 cvsca 17425  0_gc0g 17603  1_rcur 20400  SLModcslmd 33754

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2733  ax-nul 5260

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2740  df-cleq 2753  df-clel 2836  df-ne 2957  df-ral 3078  df-rab 3414  df-v 3453  df-sbc 3740  df-dif 3902  df-un 3904  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-iota 6493  df-fv 6545  df-ov 7421  df-slmd 33755

This theorem is used by:  slmdvs0  33779