Theorem mulgass3 14221

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

Hypotheses

Ref	Expression
mulgass3.b	⊢ 𝐵 = (Base‘𝑅)
mulgass3.m	⊢ · = (.g‘𝑅)
mulgass3.t	⊢ × = (.r‘𝑅)

Assertion

Ref	Expression
mulgass3	⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑁 · (𝑋 × 𝑌)))

Proof of Theorem mulgass3

Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2232	. . . . . 6 ⊢ (oppr‘𝑅) = (oppr‘𝑅)
2	1	opprring 14215	. . . . 5 ⊢ (𝑅 ∈ Ring → (oppr‘𝑅) ∈ Ring)
3	2	adantr 276	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Ring)
4		simpr1 1030	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑁 ∈ ℤ)
5		simpr3 1032	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ 𝐵)
6		mulgass3.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑅)
7	1, 6	opprbasg 14211	. . . . . 6 ⊢ (𝑅 ∈ Ring → 𝐵 = (Base‘(oppr‘𝑅)))
8	7	adantr 276	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝐵 = (Base‘(oppr‘𝑅)))
9	5, 8	eleqtrd 2311	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ (Base‘(oppr‘𝑅)))
10		simpr2 1031	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ 𝐵)
11	10, 8	eleqtrd 2311	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ (Base‘(oppr‘𝑅)))
12		eqid 2232	. . . . 5 ⊢ (Base‘(oppr‘𝑅)) = (Base‘(oppr‘𝑅))
13		eqid 2232	. . . . 5 ⊢ (.g‘(oppr‘𝑅)) = (.g‘(oppr‘𝑅))
14		eqid 2232	. . . . 5 ⊢ (.r‘(oppr‘𝑅)) = (.r‘(oppr‘𝑅))
15	12, 13, 14	mulgass2 14194	. . . 4 ⊢ (((oppr‘𝑅) ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑌 ∈ (Base‘(oppr‘𝑅)) ∧ 𝑋 ∈ (Base‘(oppr‘𝑅)))) → ((𝑁(.g‘(oppr‘𝑅))𝑌)(.r‘(oppr‘𝑅))𝑋) = (𝑁(.g‘(oppr‘𝑅))(𝑌(.r‘(oppr‘𝑅))𝑋)))
16	3, 4, 9, 11, 15	syl13anc 1276	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑁(.g‘(oppr‘𝑅))𝑌)(.r‘(oppr‘𝑅))𝑋) = (𝑁(.g‘(oppr‘𝑅))(𝑌(.r‘(oppr‘𝑅))𝑋)))
17		simpl 109	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑅 ∈ Ring)
18	3	ringgrpd 14141	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Grp)
19	12, 13, 18, 4, 9	mulgcld 13853	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁(.g‘(oppr‘𝑅))𝑌) ∈ (Base‘(oppr‘𝑅)))
20	19, 8	eleqtrrd 2312	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁(.g‘(oppr‘𝑅))𝑌) ∈ 𝐵)
21		mulgass3.t	. . . . 5 ⊢ × = (.r‘𝑅)
22	6, 21, 1, 14	opprmulg 14207	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁(.g‘(oppr‘𝑅))𝑌) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ((𝑁(.g‘(oppr‘𝑅))𝑌)(.r‘(oppr‘𝑅))𝑋) = (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)))
23	17, 20, 10, 22	syl3anc 1274	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑁(.g‘(oppr‘𝑅))𝑌)(.r‘(oppr‘𝑅))𝑋) = (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)))
24	6, 21, 1, 14	opprmulg 14207	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
25	17, 5, 10, 24	syl3anc 1274	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
26	25	oveq2d 6065	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁(.g‘(oppr‘𝑅))(𝑌(.r‘(oppr‘𝑅))𝑋)) = (𝑁(.g‘(oppr‘𝑅))(𝑋 × 𝑌)))
27	16, 23, 26	3eqtr3d 2273	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)) = (𝑁(.g‘(oppr‘𝑅))(𝑋 × 𝑌)))
28		mulgass3.m	. . . . . 6 ⊢ · = (.g‘𝑅)
29	28	a1i 9	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → · = (.g‘𝑅))
30		eqidd 2233	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (.g‘(oppr‘𝑅)) = (.g‘(oppr‘𝑅)))
31	6	a1i 9	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝐵 = (Base‘𝑅))
32		ssidd 3258	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝐵 ⊆ 𝐵)
33		eqid 2232	. . . . . . . 8 ⊢ (+g‘𝑅) = (+g‘𝑅)
34	6, 33	ringacl 14166	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝑅)𝑦) ∈ 𝐵)
35	34	3expb 1231	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑅)𝑦) ∈ 𝐵)
36	35	adantlr 477	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑅)𝑦) ∈ 𝐵)
37	1, 33	oppraddg 14212	. . . . . . 7 ⊢ (𝑅 ∈ Ring → (+g‘𝑅) = (+g‘(oppr‘𝑅)))
38	37	oveqdr 6077	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑥(+g‘𝑅)𝑦) = (𝑥(+g‘(oppr‘𝑅))𝑦))
39	38	adantr 276	. . . . 5 ⊢ (((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑅)𝑦) = (𝑥(+g‘(oppr‘𝑅))𝑦))
40	29, 30, 17, 3, 31, 8, 32, 36, 39	mulgpropdg 13873	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → · = (.g‘(oppr‘𝑅)))
41	40	oveqd 6066	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · 𝑌) = (𝑁(.g‘(oppr‘𝑅))𝑌))
42	41	oveq2d 6065	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)))
43	40	oveqd 6066	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · (𝑋 × 𝑌)) = (𝑁(.g‘(oppr‘𝑅))(𝑋 × 𝑌)))
44	27, 42, 43	3eqtr4d 2275	1 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑁 · (𝑋 × 𝑌)))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1005   = wceq 1398   ∈ wcel 2203  ‘cfv 5351  (class class class)co 6049  ℤcz 9576  Basecbs 13204  +_gcplusg 13282  ._rcmulr 13283  ._gcmg 13828  Ringcrg 14132  opp_rcoppr 14203

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4224  ax-sep 4227  ax-nul 4235  ax-pow 4286  ax-pr 4321  ax-un 4553  ax-setind 4658  ax-iinf 4709  ax-cnex 8217  ax-resscn 8218  ax-1cn 8219  ax-1re 8220  ax-icn 8221  ax-addcl 8222  ax-addrcl 8223  ax-mulcl 8224  ax-addcom 8226  ax-addass 8228  ax-distr 8230  ax-i2m1 8231  ax-0lt1 8232  ax-0id 8234  ax-rnegex 8235  ax-cnre 8237  ax-pre-ltirr 8238  ax-pre-ltwlin 8239  ax-pre-lttrn 8240  ax-pre-ltadd 8242

This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rmo 2528  df-rab 2529  df-v 2814  df-sbc 3042  df-csb 3138  df-dif 3212  df-un 3214  df-in 3216  df-ss 3223  df-nul 3508  df-if 3620  df-pw 3670  df-sn 3694  df-pr 3695  df-op 3697  df-uni 3914  df-int 3949  df-iun 3992  df-br 4109  df-opab 4171  df-mpt 4172  df-tr 4208  df-id 4413  df-iord 4486  df-on 4488  df-ilim 4489  df-suc 4491  df-iom 4712  df-xp 4754  df-rel 4755  df-cnv 4756  df-co 4757  df-dm 4758  df-rn 4759  df-res 4760  df-ima 4761  df-iota 5311  df-fun 5353  df-fn 5354  df-f 5355  df-f1 5356  df-fo 5357  df-f1o 5358  df-fv 5359  df-riota 6002  df-ov 6052  df-oprab 6053  df-mpo 6054  df-1st 6333  df-2nd 6334  df-tpos 6475  df-recs 6535  df-frec 6621  df-pnf 8309  df-mnf 8310  df-xr 8311  df-ltxr 8312  df-le 8313  df-sub 8445  df-neg 8446  df-inn 9237  df-2 9295  df-3 9296  df-n0 9496  df-z 9577  df-uz 9853  df-fz 10342  df-seqfrec 10809  df-ndx 13207  df-slot 13208  df-base 13210  df-sets 13211  df-plusg 13295  df-mulr 13296  df-0g 13463  df-mgm 13561  df-sgrp 13607  df-mnd 13622  df-grp 13708  df-minusg 13709  df-mulg 13829  df-mgp 14057  df-ur 14096  df-ring 14134  df-oppr 14204

This theorem is referenced by: (None)