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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 2766 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19223 | . 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 2146 ⊆ wss 3908 ‘cfv 6543 (class class class)co 7423 Basecbs 17294 ↾s cress 17315 Grpcgrp 19031 SubGrpcsubg 19217 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fv 6551 df-ov 7426 df-subg 19220 |
| This theorem is used by: subg0 19229 subginv 19230 subgmulgcl 19237 subgsubm 19246 subsubg 19247 subgint 19248 isnsg 19252 nsgconj 19256 isnsg3 19257 ssnmz 19263 nmznsg 19265 eqger 19277 eqgid 19279 eqgen 19280 eqgcpbl 19281 qusgrp 19288 quseccl 19289 qusadd 19290 qus0 19291 qusinv 19292 qussub 19293 ecqusaddcl 19295 resghm2 19334 resghm2b 19335 conjsubg 19351 conjsubgen 19352 conjnmz 19353 conjnmzb 19354 qusghm 19356 ghmqusnsg 19383 ghmquskerlem3 19387 subgga 19401 gastacos 19411 orbstafun 19412 cntrsubgnsg 19444 oppgsubg 19464 isslw 19709 sylow2blem1 19721 sylow2blem2 19722 sylow2blem3 19723 slwhash 19725 lsmval 19749 lsmelval 19750 lsmelvali 19751 lsmelvalm 19752 lsmsubg 19755 lsmless1 19761 lsmless2 19762 lsmless12 19763 lsmass 19770 lsm01 19772 lsm02 19773 subglsm 19774 lsmmod 19776 lsmcntz 19780 lsmcntzr 19781 lsmdisj2 19783 subgdisj1 19792 pj1f 19798 pj1id 19800 pj1lid 19802 pj1rid 19803 pj1ghm 19804 subgdmdprd 20137 subgdprd 20138 dprdsn 20139 pgpfaclem2 20185 cldsubg 24305 gsumsubg 33397 qusker 33700 grplsmid 33744 quslsm 33745 qus0g 33747 qusrn 33749 nsgqus0 33750 nsgmgclem 33751 nsgqusf1olem1 33753 nsgqusf1olem2 33754 nsgqusf1olem3 33755 |
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