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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 2763 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19193 | . 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 |
| Syntax hints: → wi 4 ∈ wcel 2143 ⊆ wss 3906 ‘cfv 6538 (class class class)co 7412 Basecbs 17270 ↾s cress 17291 Grpcgrp 19001 SubGrpcsubg 19187 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7415 df-subg 19190 |
| This theorem is referenced by: subg0 19199 subginv 19200 subgmulgcl 19207 subgsubm 19216 subsubg 19217 subgint 19218 isnsg 19222 nsgconj 19226 isnsg3 19227 ssnmz 19233 nmznsg 19235 eqger 19247 eqgid 19249 eqgen 19250 eqgcpbl 19251 qusgrp 19258 quseccl 19259 qusadd 19260 qus0 19261 qusinv 19262 qussub 19263 ecqusaddcl 19265 resghm2 19304 resghm2b 19305 conjsubg 19321 conjsubgen 19322 conjnmz 19323 conjnmzb 19324 qusghm 19326 ghmqusnsg 19353 ghmquskerlem3 19357 subgga 19371 gastacos 19381 orbstafun 19382 cntrsubgnsg 19414 oppgsubg 19434 isslw 19679 sylow2blem1 19691 sylow2blem2 19692 sylow2blem3 19693 slwhash 19695 lsmval 19719 lsmelval 19720 lsmelvali 19721 lsmelvalm 19722 lsmsubg 19725 lsmless1 19731 lsmless2 19732 lsmless12 19733 lsmass 19740 lsm01 19742 lsm02 19743 subglsm 19744 lsmmod 19746 lsmcntz 19750 lsmcntzr 19751 lsmdisj2 19753 subgdisj1 19762 pj1f 19768 pj1id 19770 pj1lid 19772 pj1rid 19773 pj1ghm 19774 subgdmdprd 20107 subgdprd 20108 dprdsn 20109 pgpfaclem2 20155 cldsubg 24249 gsumsubg 33344 qusker 33647 grplsmid 33691 quslsm 33692 qus0g 33694 qusrn 33696 nsgqus0 33697 nsgmgclem 33698 nsgqusf1olem1 33700 nsgqusf1olem2 33701 nsgqusf1olem3 33702 |
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