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| Mirrors > Home > MPE Home > Th. List > subgrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for the subgroup predicate. (Contributed by Mario Carneiro, 2-Dec-2014.) |
| Ref | Expression |
|---|---|
| subgrcl | ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19341 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1163 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ⊆ wss 3895 ‘cfv 6538 (class class class)co 7420 Basecbs 17392 ↾s cress 17413 Grpcgrp 19149 SubGrpcsubg 19335 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7423 df-subg 19338 |
| This theorem is used by: subg0 19347 subginv 19348 subgmulgcl 19355 subgsubm 19364 subsubg 19365 subgint 19366 isnsg 19370 nsgconj 19374 isnsg3 19375 ssnmz 19381 nmznsg 19383 eqger 19395 eqgid 19397 eqgen 19398 eqgcpbl 19399 qusgrp 19406 quseccl 19407 qusadd 19408 qus0 19409 qusinv 19410 qussub 19411 ecqusaddcl 19413 resghm2 19452 resghm2b 19453 conjsubg 19469 conjsubgen 19470 conjnmz 19471 conjnmzb 19472 qusghm 19474 ghmqusnsg 19501 ghmquskerlem3 19505 subgga 19519 gastacos 19529 orbstafun 19530 cntrsubgnsg 19562 oppgsubg 19582 isslw 19827 sylow2blem1 19839 sylow2blem2 19840 sylow2blem3 19841 slwhash 19843 lsmval 19867 lsmelval 19868 lsmelvali 19869 lsmelvalm 19870 lsmsubg 19873 lsmless1 19879 lsmless2 19880 lsmless12 19881 lsmass 19888 lsm01 19890 lsm02 19891 subglsm 19892 lsmmod 19894 lsmcntz 19898 lsmcntzr 19899 lsmdisj2 19901 subgdisj1 19910 pj1f 19916 pj1id 19918 pj1lid 19920 pj1rid 19921 pj1ghm 19922 subgdmdprd 20255 subgdprd 20256 dprdsn 20257 pgpfaclem2 20303 cldsubg 24435 gsumsubg 33653 qusker 33956 grplsmid 34001 quslsm 34002 qus0g 34004 qusrn 34006 nsgqus0 34007 nsgmgclem 34008 nsgqusf1olem1 34010 nsgqusf1olem2 34011 nsgqusf1olem3 34012 |
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