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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 19151 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1157 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2141 ⊆ wss 3904 ‘cfv 6517 (class class class)co 7392 Basecbs 17228 ↾s cress 17249 Grpcgrp 18958 SubGrpcsubg 19145 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5540 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-iota 6473 df-fun 6519 df-fv 6525 df-ov 7395 df-subg 19148 |
| This theorem is referenced by: subg0 19157 subginv 19158 subgmulgcl 19164 subgsubm 19173 subsubg 19174 subgint 19175 isnsg 19179 nsgconj 19183 isnsg3 19184 ssnmz 19190 nmznsg 19192 eqger 19202 eqgid 19204 eqgen 19205 eqgcpbl 19206 qusgrp 19210 quseccl 19211 qusadd 19212 qus0 19213 qusinv 19214 qussub 19215 ecqusaddcl 19217 resghm2 19256 resghm2b 19257 conjsubg 19273 conjsubgen 19274 conjnmz 19275 conjnmzb 19276 qusghm 19278 ghmqusnsg 19305 ghmquskerlem3 19309 subgga 19323 gastacos 19333 orbstafun 19334 cntrsubgnsg 19366 oppgsubg 19386 isslw 19631 sylow2blem1 19643 sylow2blem2 19644 sylow2blem3 19645 slwhash 19647 lsmval 19671 lsmelval 19672 lsmelvali 19673 lsmelvalm 19674 lsmsubg 19677 lsmless1 19683 lsmless2 19684 lsmless12 19685 lsmass 19692 lsm01 19694 lsm02 19695 subglsm 19696 lsmmod 19698 lsmcntz 19702 lsmcntzr 19703 lsmdisj2 19705 subgdisj1 19714 pj1f 19720 pj1id 19722 pj1lid 19724 pj1rid 19725 pj1ghm 19726 subgdmdprd 20059 subgdprd 20060 dprdsn 20061 pgpfaclem2 20107 cldsubg 24151 gsumsubg 33187 qusker 33496 grplsmid 33551 quslsm 33552 qus0g 33554 qusrn 33556 nsgqus0 33557 nsgmgclem 33558 nsgqusf1olem1 33560 nsgqusf1olem2 33561 nsgqusf1olem3 33562 |
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