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Theorem subrngsubg 14176
Description: A subring is a subgroup. (Contributed by AV, 14-Feb-2025.)
Assertion
Ref Expression
subrngsubg (𝐴 ∈ (SubRng‘𝑅) → 𝐴 ∈ (SubGrp‘𝑅))

Proof of Theorem subrngsubg
StepHypRef Expression
1 subrngrcl 14175 . . 3 (𝐴 ∈ (SubRng‘𝑅) → 𝑅 ∈ Rng)
2 rnggrp 13909 . . 3 (𝑅 ∈ Rng → 𝑅 ∈ Grp)
31, 2syl 14 . 2 (𝐴 ∈ (SubRng‘𝑅) → 𝑅 ∈ Grp)
4 eqid 2229 . . 3 (Base‘𝑅) = (Base‘𝑅)
54subrngss 14172 . 2 (𝐴 ∈ (SubRng‘𝑅) → 𝐴 ⊆ (Base‘𝑅))
6 eqid 2229 . . . 4 (𝑅s 𝐴) = (𝑅s 𝐴)
76subrngrng 14174 . . 3 (𝐴 ∈ (SubRng‘𝑅) → (𝑅s 𝐴) ∈ Rng)
8 rnggrp 13909 . . 3 ((𝑅s 𝐴) ∈ Rng → (𝑅s 𝐴) ∈ Grp)
97, 8syl 14 . 2 (𝐴 ∈ (SubRng‘𝑅) → (𝑅s 𝐴) ∈ Grp)
104issubg 13718 . 2 (𝐴 ∈ (SubGrp‘𝑅) ↔ (𝑅 ∈ Grp ∧ 𝐴 ⊆ (Base‘𝑅) ∧ (𝑅s 𝐴) ∈ Grp))
113, 5, 9, 10syl3anbrc 1205 1 (𝐴 ∈ (SubRng‘𝑅) → 𝐴 ∈ (SubGrp‘𝑅))
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2200  wss 3197  cfv 5318  (class class class)co 6007  Basecbs 13040  s cress 13041  Grpcgrp 13541  SubGrpcsubg 13712  Rngcrng 13903  SubRngcsubrng 14169
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-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-sep 4202  ax-pow 4258  ax-pr 4293  ax-un 4524  ax-cnex 8098  ax-resscn 8099  ax-1re 8101  ax-addrcl 8104
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  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-ral 2513  df-rex 2514  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-int 3924  df-br 4084  df-opab 4146  df-mpt 4147  df-id 4384  df-xp 4725  df-rel 4726  df-cnv 4727  df-co 4728  df-dm 4729  df-rn 4730  df-res 4731  df-ima 4732  df-iota 5278  df-fun 5320  df-fn 5321  df-fv 5326  df-ov 6010  df-inn 9119  df-2 9177  df-3 9178  df-ndx 13043  df-slot 13044  df-base 13046  df-plusg 13131  df-mulr 13132  df-subg 13715  df-abl 13832  df-rng 13904  df-subrng 14170
This theorem is referenced by:  subrngringnsg  14177  subrngbas  14178  subrng0  14179  subrngacl  14180  issubrng2  14182  subrngintm  14184  rng2idl0  14491  rng2idlsubg0  14494
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