Theorem subrgsubm 14379

Description: A subring is a submonoid of the multiplicative monoid. (Contributed by Mario Carneiro, 15-Jun-2015.)

Hypothesis

Ref	Expression
subrgsubm.1	⊢ 𝑀 = (mulGrp‘𝑅)

Assertion

Ref	Expression
subrgsubm	⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ∈ (SubMnd‘𝑀))

Proof of Theorem subrgsubm

Step	Hyp	Ref	Expression
1		eqid 2232	. . 3 ⊢ (Base‘𝑅) = (Base‘𝑅)
2	1	subrgss 14367	. 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ⊆ (Base‘𝑅))
3		eqid 2232	. . 3 ⊢ (1r‘𝑅) = (1r‘𝑅)
4	3	subrg1cl 14374	. 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (1r‘𝑅) ∈ 𝐴)
5		subrgrcl 14371	. . . 4 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝑅 ∈ Ring)
6		eqid 2232	. . . . 5 ⊢ (𝑅 ↾s 𝐴) = (𝑅 ↾s 𝐴)
7		subrgsubm.1	. . . . 5 ⊢ 𝑀 = (mulGrp‘𝑅)
8	6, 7	mgpress 14075	. . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐴 ∈ (SubRing‘𝑅)) → (𝑀 ↾s 𝐴) = (mulGrp‘(𝑅 ↾s 𝐴)))
9	5, 8	mpancom 422	. . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑀 ↾s 𝐴) = (mulGrp‘(𝑅 ↾s 𝐴)))
10	6	subrgring 14369	. . . 4 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑅 ↾s 𝐴) ∈ Ring)
11		eqid 2232	. . . . 5 ⊢ (mulGrp‘(𝑅 ↾s 𝐴)) = (mulGrp‘(𝑅 ↾s 𝐴))
12	11	ringmgp 14146	. . . 4 ⊢ ((𝑅 ↾s 𝐴) ∈ Ring → (mulGrp‘(𝑅 ↾s 𝐴)) ∈ Mnd)
13	10, 12	syl 14	. . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (mulGrp‘(𝑅 ↾s 𝐴)) ∈ Mnd)
14	9, 13	eqeltrd 2309	. 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑀 ↾s 𝐴) ∈ Mnd)
15	7	ringmgp 14146	. . . . 5 ⊢ (𝑅 ∈ Ring → 𝑀 ∈ Mnd)
16		eqid 2232	. . . . . 6 ⊢ (Base‘𝑀) = (Base‘𝑀)
17		eqid 2232	. . . . . 6 ⊢ (0g‘𝑀) = (0g‘𝑀)
18		eqid 2232	. . . . . 6 ⊢ (𝑀 ↾s 𝐴) = (𝑀 ↾s 𝐴)
19	16, 17, 18	issubm2 13686	. . . . 5 ⊢ (𝑀 ∈ Mnd → (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)))
20	15, 19	syl 14	. . . 4 ⊢ (𝑅 ∈ Ring → (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)))
21	5, 20	syl 14	. . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)))
22	7, 1	mgpbasg 14070	. . . . . . 7 ⊢ (𝑅 ∈ Ring → (Base‘𝑅) = (Base‘𝑀))
23	22	sseq2d 3268	. . . . . 6 ⊢ (𝑅 ∈ Ring → (𝐴 ⊆ (Base‘𝑅) ↔ 𝐴 ⊆ (Base‘𝑀)))
24	7, 3	ringidvalg 14105	. . . . . . 7 ⊢ (𝑅 ∈ Ring → (1r‘𝑅) = (0g‘𝑀))
25	24	eleq1d 2301	. . . . . 6 ⊢ (𝑅 ∈ Ring → ((1r‘𝑅) ∈ 𝐴 ↔ (0g‘𝑀) ∈ 𝐴))
26	23, 25	3anbi12d 1350	. . . . 5 ⊢ (𝑅 ∈ Ring → ((𝐴 ⊆ (Base‘𝑅) ∧ (1r‘𝑅) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)))
27	26	bibi2d 232	. . . 4 ⊢ (𝑅 ∈ Ring → ((𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑅) ∧ (1r‘𝑅) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)) ↔ (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd))))
28	5, 27	syl 14	. . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → ((𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑅) ∧ (1r‘𝑅) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)) ↔ (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑀) ∧ (0g‘𝑀) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd))))
29	21, 28	mpbird 167	. 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝐴 ∈ (SubMnd‘𝑀) ↔ (𝐴 ⊆ (Base‘𝑅) ∧ (1r‘𝑅) ∈ 𝐴 ∧ (𝑀 ↾s 𝐴) ∈ Mnd)))
30	2, 4, 14, 29	mpbir3and 1207	1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ∈ (SubMnd‘𝑀))

Syntax hints:   → wi 4   ↔ wb 105   ∧ w3a 1005   = wceq 1398   ∈ wcel 2203   ⊆ wss 3211  ‘cfv 5352  (class class class)co 6050  Basecbs 13212   ↾_s cress 13213  0_gc0g 13469  Mndcmnd 13629  SubMndcsubmnd 13671  mulGrpcmgp 14064  1_rcur 14103  Ringcrg 14140  SubRingcsubrg 14362

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-sep 4228  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-addcom 8227  ax-addass 8229  ax-i2m1 8232  ax-0lt1 8233  ax-0id 8235  ax-rnegex 8236  ax-pre-ltirr 8239  ax-pre-lttrn 8241  ax-pre-ltadd 8243

This theorem depends on definitions:  df-bi 117  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 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-nul 3509  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-fv 5360  df-riota 6003  df-ov 6053  df-oprab 6054  df-mpo 6055  df-pnf 8310  df-mnf 8311  df-ltxr 8313  df-inn 9238  df-2 9296  df-3 9297  df-ndx 13215  df-slot 13216  df-base 13218  df-sets 13219  df-iress 13220  df-plusg 13303  df-mulr 13304  df-0g 13471  df-mgm 13569  df-sgrp 13615  df-mnd 13630  df-submnd 13673  df-mgp 14065  df-ur 14104  df-ring 14142  df-subrg 14364

This theorem is referenced by:  resrhm  14393  resrhm2b  14394  rhmima  14396  lgseisenlem4  15946