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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 19093 | . 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 3890 ‘cfv 6492 (class class class)co 7360 Basecbs 17170 ↾s cress 17191 Grpcgrp 18900 SubGrpcsubg 19087 |
| 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 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 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 7363 df-subg 19090 |
| This theorem is referenced by: subg0 19099 subginv 19100 subgmulgcl 19106 subgsubm 19115 subsubg 19116 subgint 19117 isnsg 19121 nsgconj 19125 isnsg3 19126 ssnmz 19132 nmznsg 19134 eqger 19144 eqgid 19146 eqgen 19147 eqgcpbl 19148 qusgrp 19152 quseccl 19153 qusadd 19154 qus0 19155 qusinv 19156 qussub 19157 ecqusaddcl 19159 resghm2 19199 resghm2b 19200 conjsubg 19216 conjsubgen 19217 conjnmz 19218 conjnmzb 19219 qusghm 19221 ghmqusnsg 19248 ghmquskerlem3 19252 subgga 19266 gastacos 19276 orbstafun 19277 cntrsubgnsg 19309 oppgsubg 19329 isslw 19574 sylow2blem1 19586 sylow2blem2 19587 sylow2blem3 19588 slwhash 19590 lsmval 19614 lsmelval 19615 lsmelvali 19616 lsmelvalm 19617 lsmsubg 19620 lsmless1 19626 lsmless2 19627 lsmless12 19628 lsmass 19635 lsm01 19637 lsm02 19638 subglsm 19639 lsmmod 19641 lsmcntz 19645 lsmcntzr 19646 lsmdisj2 19648 subgdisj1 19657 pj1f 19663 pj1id 19665 pj1lid 19667 pj1rid 19668 pj1ghm 19669 subgdmdprd 20002 subgdprd 20003 dprdsn 20004 pgpfaclem2 20050 cldsubg 24086 gsumsubg 33122 qusker 33424 grplsmid 33479 quslsm 33480 qus0g 33482 qusrn 33484 nsgqus0 33485 nsgmgclem 33486 nsgqusf1olem1 33488 nsgqusf1olem2 33489 nsgqusf1olem3 33490 |
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