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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 2736 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19102 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1146 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3889 ‘cfv 6498 (class class class)co 7367 Basecbs 17179 ↾s cress 17200 Grpcgrp 18909 SubGrpcsubg 19096 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fv 6506 df-ov 7370 df-subg 19099 |
| This theorem is referenced by: subg0 19108 subginv 19109 subgmulgcl 19115 subgsubm 19124 subsubg 19125 subgint 19126 isnsg 19130 nsgconj 19134 isnsg3 19135 ssnmz 19141 nmznsg 19143 eqger 19153 eqgid 19155 eqgen 19156 eqgcpbl 19157 qusgrp 19161 quseccl 19162 qusadd 19163 qus0 19164 qusinv 19165 qussub 19166 ecqusaddcl 19168 resghm2 19208 resghm2b 19209 conjsubg 19225 conjsubgen 19226 conjnmz 19227 conjnmzb 19228 qusghm 19230 ghmqusnsg 19257 ghmquskerlem3 19261 subgga 19275 gastacos 19285 orbstafun 19286 cntrsubgnsg 19318 oppgsubg 19338 isslw 19583 sylow2blem1 19595 sylow2blem2 19596 sylow2blem3 19597 slwhash 19599 lsmval 19623 lsmelval 19624 lsmelvali 19625 lsmelvalm 19626 lsmsubg 19629 lsmless1 19635 lsmless2 19636 lsmless12 19637 lsmass 19644 lsm01 19646 lsm02 19647 subglsm 19648 lsmmod 19650 lsmcntz 19654 lsmcntzr 19655 lsmdisj2 19657 subgdisj1 19666 pj1f 19672 pj1id 19674 pj1lid 19676 pj1rid 19677 pj1ghm 19678 subgdmdprd 20011 subgdprd 20012 dprdsn 20013 pgpfaclem2 20059 cldsubg 24076 gsumsubg 33107 qusker 33409 grplsmid 33464 quslsm 33465 qus0g 33467 qusrn 33469 nsgqus0 33470 nsgmgclem 33471 nsgqusf1olem1 33473 nsgqusf1olem2 33474 nsgqusf1olem3 33475 |
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