Theorem submmulg 13669

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 1005	. . . . . 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 2210	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → (+g‘𝐺) = (+g‘𝐺))
5		id 19	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ∈ (SubMnd‘𝐺))
6		submrcl 13470	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝐺 ∈ Mnd)
7	3, 4, 5, 6	ressplusgd 13128	. . . . . 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 10643	. . . 4 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐻), (ℕ × {𝑋})))
10	9	fveq1d 5605	. . 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 2209	. . . . . . . 8 ⊢ (Base‘𝐺) = (Base‘𝐺)
13	12	submss 13475	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 ⊆ (Base‘𝐺))
14	13	3ad2ant1 1023	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑆 ⊆ (Base‘𝐺))
15		simp3 1004	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ 𝑆)
16	14, 15	sseldd 3205	. . . . 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 2209	. . . . 5 ⊢ (+g‘𝐺) = (+g‘𝐺)
19		submmulgcl.t	. . . . 5 ⊢ ∙ = (.g‘𝐺)
20		eqid 2209	. . . . 5 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋}))
21	12, 18, 19, 20	mulgnn 13629	. . . 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 13480	. . . . . . 7 ⊢ (𝑆 ∈ (SubMnd‘𝐺) → 𝑆 = (Base‘𝐻))
24	23	3ad2ant1 1023	. . . . . 6 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑆 = (Base‘𝐻))
25	15, 24	eleqtrd 2288	. . . . 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 2209	. . . . 5 ⊢ (Base‘𝐻) = (Base‘𝐻)
28		eqid 2209	. . . . 5 ⊢ (+g‘𝐻) = (+g‘𝐻)
29		submmulg.t	. . . . 5 ⊢ · = (.g‘𝐻)
30		eqid 2209	. . . . 5 ⊢ seq1((+g‘𝐻), (ℕ × {𝑋})) = seq1((+g‘𝐻), (ℕ × {𝑋}))
31	27, 28, 29, 30	mulgnn 13629	. . . 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 2252	. 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 ∈ ℕ) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))
34		simpl1 1005	. . . . 5 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → 𝑆 ∈ (SubMnd‘𝐺))
35		eqid 2209	. . . . . 6 ⊢ (0g‘𝐺) = (0g‘𝐺)
36	2, 35	subm0 13481	. . . . 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 13628	. . . . 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 2209	. . . . . 6 ⊢ (0g‘𝐻) = (0g‘𝐻)
43	27, 42, 29	mulg0 13628	. . . . 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 2252	. . 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 5989	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 ∙ 𝑋) = (0 ∙ 𝑋))
48	46	oveq1d 5989	. . 3 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 · 𝑋) = (0 · 𝑋))
49	45, 47, 48	3eqtr4d 2252	. 2 ⊢ (((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) ∧ 𝑁 = 0) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))
50		simp2 1003	. . 3 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → 𝑁 ∈ ℕ0)
51		elnn0 9339	. . 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 802	1 ⊢ ((𝑆 ∈ (SubMnd‘𝐺) ∧ 𝑁 ∈ ℕ0 ∧ 𝑋 ∈ 𝑆) → (𝑁 ∙ 𝑋) = (𝑁 · 𝑋))

Syntax hints:   → wi 4   ∧ wa 104   ∨ wo 712   ∧ w3a 983   = wceq 1375   ∈ wcel 2180   ⊆ wss 3177  {csn 3646   × cxp 4694  ‘cfv 5294  (class class class)co 5974  0cc0 7967  1c1 7968  ℕcn 9078  ℕ₀cn0 9337  seqcseq 10636  Basecbs 12998   ↾_s cress 12999  +_gcplusg 13076  0_gc0g 13255  Mndcmnd 13415  SubMndcsubmnd 13457  ._gcmg 13622

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 713  ax-5 1473  ax-7 1474  ax-gen 1475  ax-ie1 1519  ax-ie2 1520  ax-8 1530  ax-10 1531  ax-11 1532  ax-i12 1533  ax-bndl 1535  ax-4 1536  ax-17 1552  ax-i9 1556  ax-ial 1560  ax-i5r 1561  ax-13 2182  ax-14 2183  ax-ext 2191  ax-coll 4178  ax-sep 4181  ax-nul 4189  ax-pow 4237  ax-pr 4272  ax-un 4501  ax-setind 4606  ax-iinf 4657  ax-cnex 8058  ax-resscn 8059  ax-1cn 8060  ax-1re 8061  ax-icn 8062  ax-addcl 8063  ax-addrcl 8064  ax-mulcl 8065  ax-addcom 8067  ax-addass 8069  ax-distr 8071  ax-i2m1 8072  ax-0lt1 8073  ax-0id 8075  ax-rnegex 8076  ax-cnre 8078  ax-pre-ltirr 8079  ax-pre-ltwlin 8080  ax-pre-lttrn 8081  ax-pre-ltadd 8083

This theorem depends on definitions:  df-bi 117  df-dc 839  df-3or 984  df-3an 985  df-tru 1378  df-fal 1381  df-nf 1487  df-sb 1789  df-eu 2060  df-mo 2061  df-clab 2196  df-cleq 2202  df-clel 2205  df-nfc 2341  df-ne 2381  df-nel 2476  df-ral 2493  df-rex 2494  df-reu 2495  df-rmo 2496  df-rab 2497  df-v 2781  df-sbc 3009  df-csb 3105  df-dif 3179  df-un 3181  df-in 3183  df-ss 3190  df-nul 3472  df-if 3583  df-pw 3631  df-sn 3652  df-pr 3653  df-op 3655  df-uni 3868  df-int 3903  df-iun 3946  df-br 4063  df-opab 4125  df-mpt 4126  df-tr 4162  df-id 4361  df-iord 4434  df-on 4436  df-ilim 4437  df-suc 4439  df-iom 4660  df-xp 4702  df-rel 4703  df-cnv 4704  df-co 4705  df-dm 4706  df-rn 4707  df-res 4708  df-ima 4709  df-iota 5254  df-fun 5296  df-fn 5297  df-f 5298  df-f1 5299  df-fo 5300  df-f1o 5301  df-fv 5302  df-riota 5927  df-ov 5977  df-oprab 5978  df-mpo 5979  df-1st 6256  df-2nd 6257  df-recs 6421  df-frec 6507  df-pnf 8151  df-mnf 8152  df-xr 8153  df-ltxr 8154  df-le 8155  df-sub 8287  df-neg 8288  df-inn 9079  df-2 9137  df-n0 9338  df-z 9415  df-uz 9691  df-seqfrec 10637  df-ndx 13001  df-slot 13002  df-base 13004  df-sets 13005  df-iress 13006  df-plusg 13089  df-0g 13257  df-mgm 13355  df-sgrp 13401  df-mnd 13416  df-submnd 13459  df-minusg 13503  df-mulg 13623

This theorem is referenced by:  lgseisenlem4  15717