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| Mirrors > Home > MPE Home > Th. List > subrgsubg | Structured version Visualization version GIF version | ||
| Description: A subring is a subgroup. (Contributed by Mario Carneiro, 3-Dec-2014.) |
| Ref | Expression |
|---|---|
| subrgsubg | ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ∈ (SubGrp‘𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subrgrcl 20613 | . . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝑅 ∈ Ring) | |
| 2 | ringgrp 20275 | . . 3 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 3 | 1, 2 | syl 17 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝑅 ∈ Grp) |
| 4 | eqid 2761 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 5 | 4 | subrgss 20609 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ⊆ (Base‘𝑅)) |
| 6 | eqid 2761 | . . . 4 ⊢ (𝑅 ↾s 𝐴) = (𝑅 ↾s 𝐴) | |
| 7 | 6 | subrgring 20611 | . . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑅 ↾s 𝐴) ∈ Ring) |
| 8 | ringgrp 20275 | . . 3 ⊢ ((𝑅 ↾s 𝐴) ∈ Ring → (𝑅 ↾s 𝐴) ∈ Grp) | |
| 9 | 7, 8 | syl 17 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑅 ↾s 𝐴) ∈ Grp) |
| 10 | 4 | issubg 19159 | . 2 ⊢ (𝐴 ∈ (SubGrp‘𝑅) ↔ (𝑅 ∈ Grp ∧ 𝐴 ⊆ (Base‘𝑅) ∧ (𝑅 ↾s 𝐴) ∈ Grp)) |
| 11 | 3, 5, 9, 10 | syl3anbrc 1356 | 1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ∈ (SubGrp‘𝑅)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2141 ⊆ wss 3902 ‘cfv 6516 (class class class)co 7391 Basecbs 17236 ↾s cress 17257 Grpcgrp 18966 SubGrpcsubg 19153 Ringcrg 20270 SubRingcsubrg 20606 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3743 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6472 df-fun 6518 df-fv 6524 df-ov 7394 df-subg 19156 df-ring 20272 df-subrg 20607 |
| This theorem is referenced by: subrg0 20616 subrgbas 20618 subrgacl 20620 issubrg2 20629 subrgint 20632 resrhm 20638 resrhm2b 20639 rhmima 20641 subdrgint 20840 primefld0cl 20843 abvres 20868 zsssubrg 21465 gzrngunitlem 21472 zringlpirlem1 21502 zringcyg 21509 zringsubgval 21510 prmirred 21514 zndvds 21589 resubgval 21649 rzgrp 21663 issubassa2 21932 resspsrmul 22015 subrgpsr 22017 mplbas2 22083 gsumply1subr 22283 subrgnrg 24721 sranlm 24732 clmsub 25130 clmneg 25131 clmabs 25133 clmsubcl 25136 isncvsngp 25199 cphsqrtcl3 25237 tcphcph 25287 plypf1 26260 dvply2g 26337 taylply2 26419 circgrp 26605 circsubm 26606 jensenlem2 27040 amgmlem 27042 lgseisenlem4 27430 qrng0 27673 qrngneg 27675 subrgchr 33378 elrgspnlem4 33387 elrgspnsubrunlem2 33390 subrdom 33430 1fldgenq 33470 nn0archi 33494 idlinsubrg 33578 ressply1evls1 33722 ressply10g 33724 ressply1invg 33726 ressply1sub 33727 evls1subd 33729 vr1nz 33750 drgext0gsca 33850 fedgmullem1 33887 fedgmullem2 33888 evls1fldgencl 33928 fldextrspunlsplem 33931 fldextrspunlsp 33932 irngss 33945 extdgfialglem1 33950 extdgfialglem2 33951 algextdeglem1 33975 algextdeglem2 33976 algextdeglem3 33977 algextdeglem4 33978 algextdeglem5 33979 rtelextdg2lem 33984 constrelextdg2 34005 2sqr3minply 34038 rezh 34227 qqhcn 34249 qqhucn 34250 fsumcnsrcl 43704 cnsrplycl 43705 rngunsnply 43707 amgmwlem 50384 |
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