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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 2740 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19100 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1151 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2119 ⊆ wss 3890 ‘cfv 6492 (class class class)co 7363 Basecbs 17177 ↾s cress 17198 Grpcgrp 18907 SubGrpcsubg 19094 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6448 df-fun 6494 df-fv 6500 df-ov 7366 df-subg 19097 |
| This theorem is referenced by: subg0 19106 subginv 19107 subgmulgcl 19113 subgsubm 19122 subsubg 19123 subgint 19124 isnsg 19128 nsgconj 19132 isnsg3 19133 ssnmz 19139 nmznsg 19141 eqger 19151 eqgid 19153 eqgen 19154 eqgcpbl 19155 qusgrp 19159 quseccl 19160 qusadd 19161 qus0 19162 qusinv 19163 qussub 19164 ecqusaddcl 19166 resghm2 19206 resghm2b 19207 conjsubg 19223 conjsubgen 19224 conjnmz 19225 conjnmzb 19226 qusghm 19228 ghmqusnsg 19255 ghmquskerlem3 19259 subgga 19273 gastacos 19283 orbstafun 19284 cntrsubgnsg 19316 oppgsubg 19336 isslw 19581 sylow2blem1 19593 sylow2blem2 19594 sylow2blem3 19595 slwhash 19597 lsmval 19621 lsmelval 19622 lsmelvali 19623 lsmelvalm 19624 lsmsubg 19627 lsmless1 19633 lsmless2 19634 lsmless12 19635 lsmass 19642 lsm01 19644 lsm02 19645 subglsm 19646 lsmmod 19648 lsmcntz 19652 lsmcntzr 19653 lsmdisj2 19655 subgdisj1 19664 pj1f 19670 pj1id 19672 pj1lid 19674 pj1rid 19675 pj1ghm 19676 subgdmdprd 20009 subgdprd 20010 dprdsn 20011 pgpfaclem2 20057 cldsubg 24101 gsumsubg 33134 qusker 33439 grplsmid 33494 quslsm 33495 qus0g 33497 qusrn 33499 nsgqus0 33500 nsgmgclem 33501 nsgqusf1olem1 33503 nsgqusf1olem2 33504 nsgqusf1olem3 33505 |
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