Theorem mulgass3 14034

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 2229	. . . . . 6 ⊢ (oppr‘𝑅) = (oppr‘𝑅)
2	1	opprring 14028	. . . . 5 ⊢ (𝑅 ∈ Ring → (oppr‘𝑅) ∈ Ring)
3	2	adantr 276	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Ring)
4		simpr1 1027	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑁 ∈ ℤ)
5		simpr3 1029	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ 𝐵)
6		mulgass3.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑅)
7	1, 6	opprbasg 14024	. . . . . 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 2308	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ (Base‘(oppr‘𝑅)))
10		simpr2 1028	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ 𝐵)
11	10, 8	eleqtrd 2308	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ (Base‘(oppr‘𝑅)))
12		eqid 2229	. . . . 5 ⊢ (Base‘(oppr‘𝑅)) = (Base‘(oppr‘𝑅))
13		eqid 2229	. . . . 5 ⊢ (.g‘(oppr‘𝑅)) = (.g‘(oppr‘𝑅))
14		eqid 2229	. . . . 5 ⊢ (.r‘(oppr‘𝑅)) = (.r‘(oppr‘𝑅))
15	12, 13, 14	mulgass2 14007	. . . 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 1273	. . 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 13954	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Grp)
19	12, 13, 18, 4, 9	mulgcld 13667	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁(.g‘(oppr‘𝑅))𝑌) ∈ (Base‘(oppr‘𝑅)))
20	19, 8	eleqtrrd 2309	. . . 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 14020	. . . 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 1271	. . 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 14020	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
25	17, 5, 10, 24	syl3anc 1271	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
26	25	oveq2d 6010	. . 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 2270	. 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 2230	. . . . 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 3245	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝐵 ⊆ 𝐵)
33		eqid 2229	. . . . . . . 8 ⊢ (+g‘𝑅) = (+g‘𝑅)
34	6, 33	ringacl 13979	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝑅)𝑦) ∈ 𝐵)
35	34	3expb 1228	. . . . . 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 14025	. . . . . . 7 ⊢ (𝑅 ∈ Ring → (+g‘𝑅) = (+g‘(oppr‘𝑅)))
38	37	oveqdr 6022	. . . . . 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 13687	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → · = (.g‘(oppr‘𝑅)))
41	40	oveqd 6011	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · 𝑌) = (𝑁(.g‘(oppr‘𝑅))𝑌))
42	41	oveq2d 6010	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)))
43	40	oveqd 6011	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · (𝑋 × 𝑌)) = (𝑁(.g‘(oppr‘𝑅))(𝑋 × 𝑌)))
44	27, 42, 43	3eqtr4d 2272	1 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑁 · (𝑋 × 𝑌)))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1002   = wceq 1395   ∈ wcel 2200  ‘cfv 5314  (class class class)co 5994  ℤcz 9434  Basecbs 13018  +_gcplusg 13096  ._rcmulr 13097  ._gcmg 13642  Ringcrg 13945  opp_rcoppr 14016

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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4198  ax-sep 4201  ax-nul 4209  ax-pow 4257  ax-pr 4292  ax-un 4521  ax-setind 4626  ax-iinf 4677  ax-cnex 8078  ax-resscn 8079  ax-1cn 8080  ax-1re 8081  ax-icn 8082  ax-addcl 8083  ax-addrcl 8084  ax-mulcl 8085  ax-addcom 8087  ax-addass 8089  ax-distr 8091  ax-i2m1 8092  ax-0lt1 8093  ax-0id 8095  ax-rnegex 8096  ax-cnre 8098  ax-pre-ltirr 8099  ax-pre-ltwlin 8100  ax-pre-lttrn 8101  ax-pre-ltadd 8103

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rmo 2516  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-if 3603  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-tr 4182  df-id 4381  df-iord 4454  df-on 4456  df-ilim 4457  df-suc 4459  df-iom 4680  df-xp 4722  df-rel 4723  df-cnv 4724  df-co 4725  df-dm 4726  df-rn 4727  df-res 4728  df-ima 4729  df-iota 5274  df-fun 5316  df-fn 5317  df-f 5318  df-f1 5319  df-fo 5320  df-f1o 5321  df-fv 5322  df-riota 5947  df-ov 5997  df-oprab 5998  df-mpo 5999  df-1st 6276  df-2nd 6277  df-tpos 6381  df-recs 6441  df-frec 6527  df-pnf 8171  df-mnf 8172  df-xr 8173  df-ltxr 8174  df-le 8175  df-sub 8307  df-neg 8308  df-inn 9099  df-2 9157  df-3 9158  df-n0 9358  df-z 9435  df-uz 9711  df-fz 10193  df-seqfrec 10657  df-ndx 13021  df-slot 13022  df-base 13024  df-sets 13025  df-plusg 13109  df-mulr 13110  df-0g 13277  df-mgm 13375  df-sgrp 13421  df-mnd 13436  df-grp 13522  df-minusg 13523  df-mulg 13643  df-mgp 13870  df-ur 13909  df-ring 13947  df-oppr 14017

This theorem is referenced by: (None)