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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 2737 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19068 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1146 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3903 ‘cfv 6500 (class class class)co 7368 Basecbs 17148 ↾s cress 17169 Grpcgrp 18875 SubGrpcsubg 19062 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fv 6508 df-ov 7371 df-subg 19065 |
| This theorem is referenced by: subg0 19074 subginv 19075 subgmulgcl 19081 subgsubm 19090 subsubg 19091 subgint 19092 isnsg 19096 nsgconj 19100 isnsg3 19101 ssnmz 19107 nmznsg 19109 eqger 19119 eqgid 19121 eqgen 19122 eqgcpbl 19123 qusgrp 19127 quseccl 19128 qusadd 19129 qus0 19130 qusinv 19131 qussub 19132 ecqusaddcl 19134 resghm2 19174 resghm2b 19175 conjsubg 19191 conjsubgen 19192 conjnmz 19193 conjnmzb 19194 qusghm 19196 ghmqusnsg 19223 ghmquskerlem3 19227 subgga 19241 gastacos 19251 orbstafun 19252 cntrsubgnsg 19284 oppgsubg 19304 isslw 19549 sylow2blem1 19561 sylow2blem2 19562 sylow2blem3 19563 slwhash 19565 lsmval 19589 lsmelval 19590 lsmelvali 19591 lsmelvalm 19592 lsmsubg 19595 lsmless1 19601 lsmless2 19602 lsmless12 19603 lsmass 19610 lsm01 19612 lsm02 19613 subglsm 19614 lsmmod 19616 lsmcntz 19620 lsmcntzr 19621 lsmdisj2 19623 subgdisj1 19632 pj1f 19638 pj1id 19640 pj1lid 19642 pj1rid 19643 pj1ghm 19644 subgdmdprd 19977 subgdprd 19978 dprdsn 19979 pgpfaclem2 20025 cldsubg 24067 gsumsubg 33139 qusker 33441 grplsmid 33496 quslsm 33497 qus0g 33499 qusrn 33501 nsgqus0 33502 nsgmgclem 33503 nsgqusf1olem1 33505 nsgqusf1olem2 33506 nsgqusf1olem3 33507 |
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