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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 2761 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19316 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1163 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ⊆ wss 3899 ‘cfv 6531 (class class class)co 7412 Basecbs 17367 ↾s cress 17388 Grpcgrp 19124 SubGrpcsubg 19310 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fv 6539 df-ov 7415 df-subg 19313 |
| This theorem is used by: subg0 19322 subginv 19323 subgmulgcl 19330 subgsubm 19339 subsubg 19340 subgint 19341 isnsg 19345 nsgconj 19349 isnsg3 19350 ssnmz 19356 nmznsg 19358 eqger 19370 eqgid 19372 eqgen 19373 eqgcpbl 19374 qusgrp 19381 quseccl 19382 qusadd 19383 qus0 19384 qusinv 19385 qussub 19386 ecqusaddcl 19388 resghm2 19427 resghm2b 19428 conjsubg 19444 conjsubgen 19445 conjnmz 19446 conjnmzb 19447 qusghm 19449 ghmqusnsg 19476 ghmquskerlem3 19480 subgga 19494 gastacos 19504 orbstafun 19505 cntrsubgnsg 19537 oppgsubg 19557 isslw 19802 sylow2blem1 19814 sylow2blem2 19815 sylow2blem3 19816 slwhash 19818 lsmval 19842 lsmelval 19843 lsmelvali 19844 lsmelvalm 19845 lsmsubg 19848 lsmless1 19854 lsmless2 19855 lsmless12 19856 lsmass 19863 lsm01 19865 lsm02 19866 subglsm 19867 lsmmod 19869 lsmcntz 19873 lsmcntzr 19874 lsmdisj2 19876 subgdisj1 19885 pj1f 19891 pj1id 19893 pj1lid 19895 pj1rid 19896 pj1ghm 19897 subgdmdprd 20230 subgdprd 20231 dprdsn 20232 pgpfaclem2 20278 cldsubg 24410 gsumsubg 33589 qusker 33892 grplsmid 33937 quslsm 33938 qus0g 33940 qusrn 33942 nsgqus0 33943 nsgmgclem 33944 nsgqusf1olem1 33946 nsgqusf1olem2 33947 nsgqusf1olem3 33948 |
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