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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 2756 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19144 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1154 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2136 ⊆ wss 3899 ‘cfv 6510 (class class class)co 7385 Basecbs 17221 ↾s cress 17242 Grpcgrp 18951 SubGrpcsubg 19138 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-ral 3071 df-rex 3081 df-rab 3409 df-v 3450 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-br 5095 df-opab 5157 df-mpt 5176 df-id 5535 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-iota 6466 df-fun 6512 df-fv 6518 df-ov 7388 df-subg 19141 |
| This theorem is referenced by: subg0 19150 subginv 19151 subgmulgcl 19157 subgsubm 19166 subsubg 19167 subgint 19168 isnsg 19172 nsgconj 19176 isnsg3 19177 ssnmz 19183 nmznsg 19185 eqger 19195 eqgid 19197 eqgen 19198 eqgcpbl 19199 qusgrp 19203 quseccl 19204 qusadd 19205 qus0 19206 qusinv 19207 qussub 19208 ecqusaddcl 19210 resghm2 19249 resghm2b 19250 conjsubg 19266 conjsubgen 19267 conjnmz 19268 conjnmzb 19269 qusghm 19271 ghmqusnsg 19298 ghmquskerlem3 19302 subgga 19316 gastacos 19326 orbstafun 19327 cntrsubgnsg 19359 oppgsubg 19379 isslw 19624 sylow2blem1 19636 sylow2blem2 19637 sylow2blem3 19638 slwhash 19640 lsmval 19664 lsmelval 19665 lsmelvali 19666 lsmelvalm 19667 lsmsubg 19670 lsmless1 19676 lsmless2 19677 lsmless12 19678 lsmass 19685 lsm01 19687 lsm02 19688 subglsm 19689 lsmmod 19691 lsmcntz 19695 lsmcntzr 19696 lsmdisj2 19698 subgdisj1 19707 pj1f 19713 pj1id 19715 pj1lid 19717 pj1rid 19718 pj1ghm 19719 subgdmdprd 20052 subgdprd 20053 dprdsn 20054 pgpfaclem2 20100 cldsubg 24144 gsumsubg 33180 qusker 33489 grplsmid 33544 quslsm 33545 qus0g 33547 qusrn 33549 nsgqus0 33550 nsgmgclem 33551 nsgqusf1olem1 33553 nsgqusf1olem2 33554 nsgqusf1olem3 33555 |
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