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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 2823 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
2 | 1 | issubg 18281 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
3 | 2 | simp1bi 1141 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3938 ‘cfv 6357 (class class class)co 7158 Basecbs 16485 ↾s cress 16486 Grpcgrp 18105 SubGrpcsubg 18275 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fv 6365 df-ov 7161 df-subg 18278 |
This theorem is referenced by: subg0 18287 subginv 18288 subgmulgcl 18294 subgsubm 18303 subsubg 18304 subgint 18305 isnsg 18309 nsgconj 18313 isnsg3 18314 ssnmz 18320 nmznsg 18322 eqger 18332 eqgid 18334 eqgen 18335 eqgcpbl 18336 qusgrp 18337 quseccl 18338 qusadd 18339 qus0 18340 qusinv 18341 qussub 18342 resghm2 18377 resghm2b 18378 conjsubg 18392 conjsubgen 18393 conjnmz 18394 conjnmzb 18395 qusghm 18397 subgga 18432 gastacos 18442 orbstafun 18443 cntrsubgnsg 18473 oppgsubg 18493 isslw 18735 sylow2blem1 18747 sylow2blem2 18748 sylow2blem3 18749 slwhash 18751 lsmval 18775 lsmelval 18776 lsmelvali 18777 lsmelvalm 18778 lsmsubg 18781 lsmless1 18787 lsmless2 18788 lsmless12 18789 lsmass 18797 lsm01 18799 lsm02 18800 subglsm 18801 lsmmod 18803 lsmcntz 18807 lsmcntzr 18808 lsmdisj2 18810 subgdisj1 18819 pj1f 18825 pj1id 18827 pj1lid 18829 pj1rid 18830 pj1ghm 18831 subgdmdprd 19158 subgdprd 19159 dprdsn 19160 pgpfaclem2 19206 cldsubg 22721 gsumsubg 30686 qusker 30920 |
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