Theorem submmulg 13904

Description: A group multiple is the same if evaluated in a submonoid. (Contributed by Mario Carneiro, 15-Jun-2015.)

Hypotheses

Ref	Expression
submmulgcl.t	⊢ ∙ = (.g‘𝐺)
submmulg.h	⊢ 𝐻 = (𝐺 ↾s 𝑆)
submmulg.t	⊢ · = (.g‘𝐻)

Assertion

Ref	Expression
submmulg	⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))

Proof of Theorem submmulg

Step	Hyp	Ref	Expression
1		simpl1 1027	. . . . . 6 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → 𝑆 ∈ (SubMnd‘𝐺))
2		submmulg.h	. . . . . . . 8 ⊢ 𝐻 = (𝐺 ↾s 𝑆)
3	2	a1i 9	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐻 = (𝐺 ↾s 𝑆))
4		eqidd 2235	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (+g‘𝐺) = (+g‘𝐺))
5		id 19	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ∈ (SubMnd‘𝐺))
6		submrcl 13705	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐺 ∈ Mnd)
7	3, 4, 5, 6	ressplusgd 13363	. . . . . 6 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (+g‘𝐺) = (+g‘𝐻))
8	1, 7	syl 14	. . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (+g‘𝐺) = (+g‘𝐻))
9	8	seqeq2d 10823	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐻), (ℕ × {𝑋})))
10	9	fveq1d 5674	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (seq1((+g‘𝐺), (ℕ × {𝑋}))‘𝑁) = (seq1((+g‘𝐻), (ℕ × {𝑋}))‘𝑁))
11		simpr 110	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℕ)
12		eqid 2234	. . . . . . . 8 ⊢ (Base‘𝐺) = (Base‘𝐺)
13	12	submss 13710	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ⊆ (Base‘𝐺))
14	13	3ad2ant1 1045	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑆 ⊆ (Base‘𝐺))
15		simp3 1026	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ 𝑆)
16	14, 15	sseldd 3241	. . . . 5 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ (Base‘𝐺))
17	16	adantr 276	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → 𝑋 ∈ (Base‘𝐺))
18		eqid 2234	. . . . 5 ⊢ (+g‘𝐺) = (+g‘𝐺)
19		submmulgcl.t	. . . . 5 ⊢ ∙ = (.g‘𝐺)
20		eqid 2234	. . . . 5 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋}))
21	12, 18, 19, 20	mulgnn 13864	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ (Base‘𝐺)) → (𝑁 ∙ 𝑋) = (seq1((+g‘𝐺), (ℕ × {𝑋}))‘𝑁))
22	11, 17, 21	syl2anc 411	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (𝑁 ∙ 𝑋) = (seq1((+g‘𝐺), (ℕ × {𝑋}))‘𝑁))
23	2	submbas 13715	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 = (Base‘𝐻))
24	23	3ad2ant1 1045	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑆 = (Base‘𝐻))
25	15, 24	eleqtrd 2313	. . . . 5 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ (Base‘𝐻))
26	25	adantr 276	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → 𝑋 ∈ (Base‘𝐻))
27		eqid 2234	. . . . 5 ⊢ (Base‘𝐻) = (Base‘𝐻)
28		eqid 2234	. . . . 5 ⊢ (+g‘𝐻) = (+g‘𝐻)
29		submmulg.t	. . . . 5 ⊢ · = (.g‘𝐻)
30		eqid 2234	. . . . 5 ⊢ seq1((+g‘𝐻), (ℕ × {𝑋})) = seq1((+g‘𝐻), (ℕ × {𝑋}))
31	27, 28, 29, 30	mulgnn 13864	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝑋 ∈ (Base‘𝐻)) → (𝑁 · 𝑋) = (seq1((+g‘𝐻), (ℕ × {𝑋}))‘𝑁))
32	11, 26, 31	syl2anc 411	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (𝑁 · 𝑋) = (seq1((+g‘𝐻), (ℕ × {𝑋}))‘𝑁))
33	10, 22, 32	3eqtr4d 2277	. 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))
34		simpl1 1027	. . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → 𝑆 ∈ (SubMnd‘𝐺))
35		eqid 2234	. . . . . 6 ⊢ (0g‘𝐺) = (0g‘𝐺)
36	2, 35	subm0 13716	. . . . 5 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (0g‘𝐺) = (0g‘𝐻))
37	34, 36	syl 14	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (0g‘𝐺) = (0g‘𝐻))
38	16	adantr 276	. . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → 𝑋 ∈ (Base‘𝐺))
39	12, 35, 19	mulg0 13863	. . . . 5 ⊢ (𝑋 ∈ (Base‘𝐺) → (0 ∙ 𝑋) = (0g‘𝐺))
40	38, 39	syl 14	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (0 ∙ 𝑋) = (0g‘𝐺))
41	25	adantr 276	. . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → 𝑋 ∈ (Base‘𝐻))
42		eqid 2234	. . . . . 6 ⊢ (0g‘𝐻) = (0g‘𝐻)
43	27, 42, 29	mulg0 13863	. . . . 5 ⊢ (𝑋 ∈ (Base‘𝐻) → (0 · 𝑋) = (0g‘𝐻))
44	41, 43	syl 14	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (0 · 𝑋) = (0g‘𝐻))
45	37, 40, 44	3eqtr4d 2277	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (0 ∙ 𝑋) = (0 · 𝑋))
46		simpr 110	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → 𝑁 = 0)
47	46	oveq1d 6067	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 ∙ 𝑋) = (0 ∙ 𝑋))
48	46	oveq1d 6067	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 · 𝑋) = (0 · 𝑋))
49	45, 47, 48	3eqtr4d 2277	. 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))
50		simp2 1025	. . 3 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑁 ∈ ℕ0)
51		elnn0 9503	. . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0))
52	50, 51	sylib 122	. 2 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → (𝑁 ∈ ℕ ∨ 𝑁 = 0))
53	33, 49, 52	mpjaodan 806	1 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))

Syntax hints:   → wi 4   ∧ wa 104   ∨ wo 716   ∧ w3a 1005   = wceq 1398   ∈ wcel 2205   ⊆ wss 3213  {csn 3691   × cxp 4749  ‘cfv 5354  (class class class)co 6052  0cc0 8132  1c1 8133  ℕcn 9242  ℕ₀cn0 9501  seqcseq 10816  Basecbs 13233   ↾_s cress 13234  +_gcplusg 13311  0_gc0g 13490  Mndcmnd 13650  SubMndcsubmnd 13692  ._gcmg 13857

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 2207  ax-14 2208  ax-ext 2216  ax-coll 4227  ax-sep 4230  ax-nul 4238  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-iinf 4712  ax-cnex 8223  ax-resscn 8224  ax-1cn 8225  ax-1re 8226  ax-icn 8227  ax-addcl 8228  ax-addrcl 8229  ax-mulcl 8230  ax-addcom 8232  ax-addass 8234  ax-distr 8236  ax-i2m1 8237  ax-0lt1 8238  ax-0id 8240  ax-rnegex 8241  ax-cnre 8243  ax-pre-ltirr 8244  ax-pre-ltwlin 8245  ax-pre-lttrn 8246  ax-pre-ltadd 8248

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 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rmo 2530  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-nul 3511  df-if 3623  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-iun 3995  df-br 4112  df-opab 4174  df-mpt 4175  df-tr 4211  df-id 4416  df-iord 4489  df-on 4491  df-ilim 4492  df-suc 4494  df-iom 4715  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-ima 4764  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-fo 5360  df-f1o 5361  df-fv 5362  df-riota 6005  df-ov 6055  df-oprab 6056  df-mpo 6057  df-1st 6336  df-2nd 6337  df-recs 6538  df-frec 6624  df-pnf 8315  df-mnf 8316  df-xr 8317  df-ltxr 8318  df-le 8319  df-sub 8451  df-neg 8452  df-inn 9243  df-2 9301  df-n0 9502  df-z 9583  df-uz 9860  df-seqfrec 10817  df-ndx 13236  df-slot 13237  df-base 13239  df-sets 13240  df-iress 13241  df-plusg 13324  df-0g 13492  df-mgm 13590  df-sgrp 13636  df-mnd 13651  df-submnd 13694  df-minusg 13738  df-mulg 13858

This theorem is referenced by:  lgseisenlem4  15995