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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 2736 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19056 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ (Base‘𝐺) ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp1bi 1145 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝐺 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ⊆ wss 3901 ‘cfv 6492 (class class class)co 7358 Basecbs 17136 ↾s cress 17157 Grpcgrp 18863 SubGrpcsubg 19050 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fv 6500 df-ov 7361 df-subg 19053 |
| This theorem is referenced by: subg0 19062 subginv 19063 subgmulgcl 19069 subgsubm 19078 subsubg 19079 subgint 19080 isnsg 19084 nsgconj 19088 isnsg3 19089 ssnmz 19095 nmznsg 19097 eqger 19107 eqgid 19109 eqgen 19110 eqgcpbl 19111 qusgrp 19115 quseccl 19116 qusadd 19117 qus0 19118 qusinv 19119 qussub 19120 ecqusaddcl 19122 resghm2 19162 resghm2b 19163 conjsubg 19179 conjsubgen 19180 conjnmz 19181 conjnmzb 19182 qusghm 19184 ghmqusnsg 19211 ghmquskerlem3 19215 subgga 19229 gastacos 19239 orbstafun 19240 cntrsubgnsg 19272 oppgsubg 19292 isslw 19537 sylow2blem1 19549 sylow2blem2 19550 sylow2blem3 19551 slwhash 19553 lsmval 19577 lsmelval 19578 lsmelvali 19579 lsmelvalm 19580 lsmsubg 19583 lsmless1 19589 lsmless2 19590 lsmless12 19591 lsmass 19598 lsm01 19600 lsm02 19601 subglsm 19602 lsmmod 19604 lsmcntz 19608 lsmcntzr 19609 lsmdisj2 19611 subgdisj1 19620 pj1f 19626 pj1id 19628 pj1lid 19630 pj1rid 19631 pj1ghm 19632 subgdmdprd 19965 subgdprd 19966 dprdsn 19967 pgpfaclem2 20013 cldsubg 24055 gsumsubg 33129 qusker 33430 grplsmid 33485 quslsm 33486 qus0g 33488 qusrn 33490 nsgqus0 33491 nsgmgclem 33492 nsgqusf1olem1 33494 nsgqusf1olem2 33495 nsgqusf1olem3 33496 |
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