mulgass2 - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > mulgass2		Structured version Visualization version GIF version

Theorem mulgass2 19755

Description: An associative property between group multiple and ring multiplication. (Contributed by Mario Carneiro, 14-Jun-2015.)

**Hypotheses**
Ref	Expression
mulgass2.b	⊢ 𝐵 = (Base‘𝑅)
mulgass2.m	⊢ · = (._g‘𝑅)
mulgass2.t	⊢ × = (._r‘𝑅)

**Assertion**
Ref	Expression
mulgass2	⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌)))

Proof of Theorem mulgass2 Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq1 7262	. . . . . . 7 ⊢ (𝑥 = 0 → (𝑥 · 𝑋) = (0 · 𝑋))
2	1	oveq1d 7270	. . . . . 6 ⊢ (𝑥 = 0 → ((𝑥 · 𝑋) × 𝑌) = ((0 · 𝑋) × 𝑌))
3		oveq1 7262	. . . . . 6 ⊢ (𝑥 = 0 → (𝑥 · (𝑋 × 𝑌)) = (0 · (𝑋 × 𝑌)))
4	2, 3	eqeq12d 2754	. . . . 5 ⊢ (𝑥 = 0 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((0 · 𝑋) × 𝑌) = (0 · (𝑋 × 𝑌))))
5		oveq1 7262	. . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝑥 · 𝑋) = (𝑦 · 𝑋))
6	5	oveq1d 7270	. . . . . 6 ⊢ (𝑥 = 𝑦 → ((𝑥 · 𝑋) × 𝑌) = ((𝑦 · 𝑋) × 𝑌))
7		oveq1 7262	. . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑥 · (𝑋 × 𝑌)) = (𝑦 · (𝑋 × 𝑌)))
8	6, 7	eqeq12d 2754	. . . . 5 ⊢ (𝑥 = 𝑦 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌))))
9		oveq1 7262	. . . . . . 7 ⊢ (𝑥 = (𝑦 + 1) → (𝑥 · 𝑋) = ((𝑦 + 1) · 𝑋))
10	9	oveq1d 7270	. . . . . 6 ⊢ (𝑥 = (𝑦 + 1) → ((𝑥 · 𝑋) × 𝑌) = (((𝑦 + 1) · 𝑋) × 𝑌))
11		oveq1 7262	. . . . . 6 ⊢ (𝑥 = (𝑦 + 1) → (𝑥 · (𝑋 × 𝑌)) = ((𝑦 + 1) · (𝑋 × 𝑌)))
12	10, 11	eqeq12d 2754	. . . . 5 ⊢ (𝑥 = (𝑦 + 1) → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌))))
13		oveq1 7262	. . . . . . 7 ⊢ (𝑥 = -𝑦 → (𝑥 · 𝑋) = (-𝑦 · 𝑋))
14	13	oveq1d 7270	. . . . . 6 ⊢ (𝑥 = -𝑦 → ((𝑥 · 𝑋) × 𝑌) = ((-𝑦 · 𝑋) × 𝑌))
15		oveq1 7262	. . . . . 6 ⊢ (𝑥 = -𝑦 → (𝑥 · (𝑋 × 𝑌)) = (-𝑦 · (𝑋 × 𝑌)))
16	14, 15	eqeq12d 2754	. . . . 5 ⊢ (𝑥 = -𝑦 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌))))
17		oveq1 7262	. . . . . . 7 ⊢ (𝑥 = 𝑁 → (𝑥 · 𝑋) = (𝑁 · 𝑋))
18	17	oveq1d 7270	. . . . . 6 ⊢ (𝑥 = 𝑁 → ((𝑥 · 𝑋) × 𝑌) = ((𝑁 · 𝑋) × 𝑌))
19		oveq1 7262	. . . . . 6 ⊢ (𝑥 = 𝑁 → (𝑥 · (𝑋 × 𝑌)) = (𝑁 · (𝑋 × 𝑌)))
20	18, 19	eqeq12d 2754	. . . . 5 ⊢ (𝑥 = 𝑁 → (((𝑥 · 𝑋) × 𝑌) = (𝑥 · (𝑋 × 𝑌)) ↔ ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))
21		mulgass2.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝑅)
22		mulgass2.t	. . . . . . . 8 ⊢ × = (._r‘𝑅)
23		eqid 2738	. . . . . . . 8 ⊢ (0_g‘𝑅) = (0_g‘𝑅)
24	21, 22, 23	ringlz 19741	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵) → ((0_g‘𝑅) × 𝑌) = (0_g‘𝑅))
25	24	3adant3 1130	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ((0_g‘𝑅) × 𝑌) = (0_g‘𝑅))
26		simp3 1136	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵)
27		mulgass2.m	. . . . . . . . 9 ⊢ · = (._g‘𝑅)
28	21, 23, 27	mulg0 18622	. . . . . . . 8 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = (0_g‘𝑅))
29	26, 28	syl 17	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (0 · 𝑋) = (0_g‘𝑅))
30	29	oveq1d 7270	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ((0 · 𝑋) × 𝑌) = ((0_g‘𝑅) × 𝑌))
31	21, 22	ringcl 19715	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 × 𝑌) ∈ 𝐵)
32	31	3com23 1124	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑋 × 𝑌) ∈ 𝐵)
33	21, 23, 27	mulg0 18622	. . . . . . 7 ⊢ ((𝑋 × 𝑌) ∈ 𝐵 → (0 · (𝑋 × 𝑌)) = (0_g‘𝑅))
34	32, 33	syl 17	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (0 · (𝑋 × 𝑌)) = (0_g‘𝑅))
35	25, 30, 34	3eqtr4d 2788	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ((0 · 𝑋) × 𝑌) = (0 · (𝑋 × 𝑌)))
36		oveq1 7262	. . . . . . 7 ⊢ (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 · 𝑋) × 𝑌)(+_g‘𝑅)(𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+_g‘𝑅)(𝑋 × 𝑌)))
37		simpl1 1189	. . . . . . . . . . . 12 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑅 ∈ Ring)
38		ringgrp 19703	. . . . . . . . . . . 12 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp)
39	37, 38	syl 17	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑅 ∈ Grp)
40		nn0z 12273	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ ℕ₀ → 𝑦 ∈ ℤ)
41	40	adantl 481	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑦 ∈ ℤ)
42	26	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑋 ∈ 𝐵)
43		eqid 2738	. . . . . . . . . . . 12 ⊢ (+_g‘𝑅) = (+_g‘𝑅)
44	21, 27, 43	mulgp1 18651	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → ((𝑦 + 1) · 𝑋) = ((𝑦 · 𝑋)(+_g‘𝑅)𝑋))
45	39, 41, 42, 44	syl3anc 1369	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → ((𝑦 + 1) · 𝑋) = ((𝑦 · 𝑋)(+_g‘𝑅)𝑋))
46	45	oveq1d 7270	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (((𝑦 + 1) · 𝑋) × 𝑌) = (((𝑦 · 𝑋)(+_g‘𝑅)𝑋) × 𝑌))
47	38	3ad2ant1 1131	. . . . . . . . . . . 12 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Grp)
48	47	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑅 ∈ Grp)
49	21, 27	mulgcl 18636	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (𝑦 · 𝑋) ∈ 𝐵)
50	48, 41, 42, 49	syl3anc 1369	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (𝑦 · 𝑋) ∈ 𝐵)
51		simpl2 1190	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → 𝑌 ∈ 𝐵)
52	21, 43, 22	ringdir 19721	. . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ ((𝑦 · 𝑋) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (((𝑦 · 𝑋)(+_g‘𝑅)𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+_g‘𝑅)(𝑋 × 𝑌)))
53	37, 50, 42, 51, 52	syl13anc 1370	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (((𝑦 · 𝑋)(+_g‘𝑅)𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+_g‘𝑅)(𝑋 × 𝑌)))
54	46, 53	eqtrd 2778	. . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (((𝑦 + 1) · 𝑋) × 𝑌) = (((𝑦 · 𝑋) × 𝑌)(+_g‘𝑅)(𝑋 × 𝑌)))
55	32	adantr 480	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (𝑋 × 𝑌) ∈ 𝐵)
56	21, 27, 43	mulgp1 18651	. . . . . . . . 9 ⊢ ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ (𝑋 × 𝑌) ∈ 𝐵) → ((𝑦 + 1) · (𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+_g‘𝑅)(𝑋 × 𝑌)))
57	39, 41, 55, 56	syl3anc 1369	. . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → ((𝑦 + 1) · (𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+_g‘𝑅)(𝑋 × 𝑌)))
58	54, 57	eqeq12d 2754	. . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → ((((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌)) ↔ (((𝑦 · 𝑋) × 𝑌)(+_g‘𝑅)(𝑋 × 𝑌)) = ((𝑦 · (𝑋 × 𝑌))(+_g‘𝑅)(𝑋 × 𝑌))))
59	36, 58	syl5ibr 245	. . . . . 6 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ₀) → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌))))
60	59	ex 412	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑦 ∈ ℕ₀ → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → (((𝑦 + 1) · 𝑋) × 𝑌) = ((𝑦 + 1) · (𝑋 × 𝑌)))))
61		fveq2 6756	. . . . . . 7 ⊢ (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((inv_g‘𝑅)‘((𝑦 · 𝑋) × 𝑌)) = ((inv_g‘𝑅)‘(𝑦 · (𝑋 × 𝑌))))
62	47	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → 𝑅 ∈ Grp)
63		nnz 12272	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ ℕ → 𝑦 ∈ ℤ)
64	63	adantl 481	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → 𝑦 ∈ ℤ)
65	26	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → 𝑋 ∈ 𝐵)
66		eqid 2738	. . . . . . . . . . . 12 ⊢ (inv_g‘𝑅) = (inv_g‘𝑅)
67	21, 27, 66	mulgneg 18637	. . . . . . . . . . 11 ⊢ ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (-𝑦 · 𝑋) = ((inv_g‘𝑅)‘(𝑦 · 𝑋)))
68	62, 64, 65, 67	syl3anc 1369	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (-𝑦 · 𝑋) = ((inv_g‘𝑅)‘(𝑦 · 𝑋)))
69	68	oveq1d 7270	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → ((-𝑦 · 𝑋) × 𝑌) = (((inv_g‘𝑅)‘(𝑦 · 𝑋)) × 𝑌))
70		simpl1 1189	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → 𝑅 ∈ Ring)
71	62, 64, 65, 49	syl3anc 1369	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (𝑦 · 𝑋) ∈ 𝐵)
72		simpl2 1190	. . . . . . . . . 10 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → 𝑌 ∈ 𝐵)
73	21, 22, 66, 70, 71, 72	ringmneg1 19750	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (((inv_g‘𝑅)‘(𝑦 · 𝑋)) × 𝑌) = ((inv_g‘𝑅)‘((𝑦 · 𝑋) × 𝑌)))
74	69, 73	eqtrd 2778	. . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → ((-𝑦 · 𝑋) × 𝑌) = ((inv_g‘𝑅)‘((𝑦 · 𝑋) × 𝑌)))
75	32	adantr 480	. . . . . . . . 9 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (𝑋 × 𝑌) ∈ 𝐵)
76	21, 27, 66	mulgneg 18637	. . . . . . . . 9 ⊢ ((𝑅 ∈ Grp ∧ 𝑦 ∈ ℤ ∧ (𝑋 × 𝑌) ∈ 𝐵) → (-𝑦 · (𝑋 × 𝑌)) = ((inv_g‘𝑅)‘(𝑦 · (𝑋 × 𝑌))))
77	62, 64, 75, 76	syl3anc 1369	. . . . . . . 8 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (-𝑦 · (𝑋 × 𝑌)) = ((inv_g‘𝑅)‘(𝑦 · (𝑋 × 𝑌))))
78	74, 77	eqeq12d 2754	. . . . . . 7 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌)) ↔ ((inv_g‘𝑅)‘((𝑦 · 𝑋) × 𝑌)) = ((inv_g‘𝑅)‘(𝑦 · (𝑋 × 𝑌)))))
79	61, 78	syl5ibr 245	. . . . . 6 ⊢ (((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ∧ 𝑦 ∈ ℕ) → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌))))
80	79	ex 412	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑦 ∈ ℕ → (((𝑦 · 𝑋) × 𝑌) = (𝑦 · (𝑋 × 𝑌)) → ((-𝑦 · 𝑋) × 𝑌) = (-𝑦 · (𝑋 × 𝑌)))))
81	4, 8, 12, 16, 20, 35, 60, 80	zindd 12351	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑁 ∈ ℤ → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))
82	81	3exp 1117	. . 3 ⊢ (𝑅 ∈ Ring → (𝑌 ∈ 𝐵 → (𝑋 ∈ 𝐵 → (𝑁 ∈ ℤ → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))))
83	82	com24 95	. 2 ⊢ (𝑅 ∈ Ring → (𝑁 ∈ ℤ → (𝑋 ∈ 𝐵 → (𝑌 ∈ 𝐵 → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌))))))
84	83	3imp2 1347	1 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑁 · 𝑋) × 𝑌) = (𝑁 · (𝑋 × 𝑌)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ‘cfv 6418 (class class class)co 7255 0cc0 10802 1c1 10803 + caddc 10805 -cneg 11136 ℕcn 11903 ℕ₀cn0 12163 ℤcz 12249 Basecbs 16840 +_gcplusg 16888 ._rcmulr 16889 0_gc0g 17067 Grpcgrp 18492 inv_gcminusg 18493 ._gcmg 18615 Ringcrg 19698

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879

This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-seq 13650 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-plusg 16901 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-mulg 18616 df-mgp 19636 df-ur 19653 df-ring 19700

This theorem is referenced by: mulgass3 19794 mulgrhm 20611 zlmassa 21016 dvdschrmulg 31385 isarchiofld 31418 elrspunidl 31508

W3C validator