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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 2798 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
2 | 1 | issubg 18271 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
3 | 2 | simp1bi 1142 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2111 ⊆ wss 3881 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 ↾s cress 16476 Grpcgrp 18095 SubGrpcsubg 18265 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fv 6332 df-ov 7138 df-subg 18268 |
This theorem is referenced by: subg0 18277 subginv 18278 subgmulgcl 18284 subgsubm 18293 subsubg 18294 subgint 18295 isnsg 18299 nsgconj 18303 isnsg3 18304 ssnmz 18310 nmznsg 18312 eqger 18322 eqgid 18324 eqgen 18325 eqgcpbl 18326 qusgrp 18327 quseccl 18328 qusadd 18329 qus0 18330 qusinv 18331 qussub 18332 resghm2 18367 resghm2b 18368 conjsubg 18382 conjsubgen 18383 conjnmz 18384 conjnmzb 18385 qusghm 18387 subgga 18422 gastacos 18432 orbstafun 18433 cntrsubgnsg 18463 oppgsubg 18483 isslw 18725 sylow2blem1 18737 sylow2blem2 18738 sylow2blem3 18739 slwhash 18741 lsmval 18765 lsmelval 18766 lsmelvali 18767 lsmelvalm 18768 lsmsubg 18771 lsmless1 18777 lsmless2 18778 lsmless12 18779 lsmass 18787 lsm01 18789 lsm02 18790 subglsm 18791 lsmmod 18793 lsmcntz 18797 lsmcntzr 18798 lsmdisj2 18800 subgdisj1 18809 pj1f 18815 pj1id 18817 pj1lid 18819 pj1rid 18820 pj1ghm 18821 subgdmdprd 19149 subgdprd 19150 dprdsn 19151 pgpfaclem2 19197 cldsubg 22716 gsumsubg 30731 qusker 30969 |
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