Theorem mulgass3 14097

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 2231	. . . . . 6 ⊢ (oppr‘𝑅) = (oppr‘𝑅)
2	1	opprring 14091	. . . . 5 ⊢ (𝑅 ∈ Ring → (oppr‘𝑅) ∈ Ring)
3	2	adantr 276	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Ring)
4		simpr1 1029	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑁 ∈ ℤ)
5		simpr3 1031	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ 𝐵)
6		mulgass3.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑅)
7	1, 6	opprbasg 14087	. . . . . 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 2310	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑌 ∈ (Base‘(oppr‘𝑅)))
10		simpr2 1030	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ 𝐵)
11	10, 8	eleqtrd 2310	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝑋 ∈ (Base‘(oppr‘𝑅)))
12		eqid 2231	. . . . 5 ⊢ (Base‘(oppr‘𝑅)) = (Base‘(oppr‘𝑅))
13		eqid 2231	. . . . 5 ⊢ (.g‘(oppr‘𝑅)) = (.g‘(oppr‘𝑅))
14		eqid 2231	. . . . 5 ⊢ (.r‘(oppr‘𝑅)) = (.r‘(oppr‘𝑅))
15	12, 13, 14	mulgass2 14070	. . . 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 1275	. . 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 14017	. . . . . 6 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (oppr‘𝑅) ∈ Grp)
19	12, 13, 18, 4, 9	mulgcld 13730	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁(.g‘(oppr‘𝑅))𝑌) ∈ (Base‘(oppr‘𝑅)))
20	19, 8	eleqtrrd 2311	. . . 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 14083	. . . 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 1273	. . 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 14083	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
25	17, 5, 10, 24	syl3anc 1273	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑌(.r‘(oppr‘𝑅))𝑋) = (𝑋 × 𝑌))
26	25	oveq2d 6033	. . 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 2272	. 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 2232	. . . . 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 3248	. . . . 5 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → 𝐵 ⊆ 𝐵)
33		eqid 2231	. . . . . . . 8 ⊢ (+g‘𝑅) = (+g‘𝑅)
34	6, 33	ringacl 14042	. . . . . . 7 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝑅)𝑦) ∈ 𝐵)
35	34	3expb 1230	. . . . . 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 14088	. . . . . . 7 ⊢ (𝑅 ∈ Ring → (+g‘𝑅) = (+g‘(oppr‘𝑅)))
38	37	oveqdr 6045	. . . . . 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 13750	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → · = (.g‘(oppr‘𝑅)))
41	40	oveqd 6034	. . 3 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · 𝑌) = (𝑁(.g‘(oppr‘𝑅))𝑌))
42	41	oveq2d 6033	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑋 × (𝑁(.g‘(oppr‘𝑅))𝑌)))
43	40	oveqd 6034	. 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑁 · (𝑋 × 𝑌)) = (𝑁(.g‘(oppr‘𝑅))(𝑋 × 𝑌)))
44	27, 42, 43	3eqtr4d 2274	1 ⊢ ((𝑅 ∈ Ring ∧ (𝑁 ∈ ℤ ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑋 × (𝑁 · 𝑌)) = (𝑁 · (𝑋 × 𝑌)))

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1004   = wceq 1397   ∈ wcel 2202  ‘cfv 5326  (class class class)co 6017  ℤcz 9478  Basecbs 13081  +_gcplusg 13159  ._rcmulr 13160  ._gcmg 13705  Ringcrg 14008  opp_rcoppr 14079

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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-addcom 8131  ax-addass 8133  ax-distr 8135  ax-i2m1 8136  ax-0lt1 8137  ax-0id 8139  ax-rnegex 8140  ax-cnre 8142  ax-pre-ltirr 8143  ax-pre-ltwlin 8144  ax-pre-lttrn 8145  ax-pre-ltadd 8147

This theorem depends on definitions:  df-bi 117  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rmo 2518  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-tpos 6410  df-recs 6470  df-frec 6556  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219  df-sub 8351  df-neg 8352  df-inn 9143  df-2 9201  df-3 9202  df-n0 9402  df-z 9479  df-uz 9755  df-fz 10243  df-seqfrec 10709  df-ndx 13084  df-slot 13085  df-base 13087  df-sets 13088  df-plusg 13172  df-mulr 13173  df-0g 13340  df-mgm 13438  df-sgrp 13484  df-mnd 13499  df-grp 13585  df-minusg 13586  df-mulg 13706  df-mgp 13933  df-ur 13972  df-ring 14010  df-oppr 14080

This theorem is referenced by: (None)