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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 2765 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19183 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1161 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 ⊆ wss 3907 ‘cfv 6525 (class class class)co 7400 Basecbs 17259 ↾s cress 17280 Grpcgrp 18990 SubGrpcsubg 19177 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-mpt 5187 df-id 5547 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-iota 6481 df-fun 6527 df-fv 6533 df-ov 7403 df-subg 19180 |
| This theorem is referenced by: subg0 19189 subginv 19190 subgmulgcl 19197 subgsubm 19206 subsubg 19207 subgint 19208 isnsg 19212 nsgconj 19216 isnsg3 19217 ssnmz 19223 nmznsg 19225 eqger 19237 eqgid 19239 eqgen 19240 eqgcpbl 19241 qusgrp 19248 quseccl 19249 qusadd 19250 qus0 19251 qusinv 19252 qussub 19253 ecqusaddcl 19255 resghm2 19294 resghm2b 19295 conjsubg 19311 conjsubgen 19312 conjnmz 19313 conjnmzb 19314 qusghm 19316 ghmqusnsg 19343 ghmquskerlem3 19347 subgga 19361 gastacos 19371 orbstafun 19372 cntrsubgnsg 19404 oppgsubg 19424 isslw 19669 sylow2blem1 19681 sylow2blem2 19682 sylow2blem3 19683 slwhash 19685 lsmval 19709 lsmelval 19710 lsmelvali 19711 lsmelvalm 19712 lsmsubg 19715 lsmless1 19721 lsmless2 19722 lsmless12 19723 lsmass 19730 lsm01 19732 lsm02 19733 subglsm 19734 lsmmod 19736 lsmcntz 19740 lsmcntzr 19741 lsmdisj2 19743 subgdisj1 19752 pj1f 19758 pj1id 19760 pj1lid 19762 pj1rid 19763 pj1ghm 19764 subgdmdprd 20097 subgdprd 20098 dprdsn 20099 pgpfaclem2 20145 cldsubg 24229 gsumsubg 33279 qusker 33584 grplsmid 33629 quslsm 33630 qus0g 33632 qusrn 33634 nsgqus0 33635 nsgmgclem 33636 nsgqusf1olem1 33638 nsgqusf1olem2 33639 nsgqusf1olem3 33640 |
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