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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 2763 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | 1 | issubg 19365 | . 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 2147 ⊆ wss 3900 ‘cfv 6558 (class class class)co 7443 Basecbs 17416 ↾s cress 17437 Grpcgrp 19173 SubGrpcsubg 19359 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fv 6566 df-ov 7446 df-subg 19362 |
| This theorem is used by: subg0 19371 subginv 19372 subgmulgcl 19379 subgsubm 19388 subsubg 19389 subgint 19390 isnsg 19394 nsgconj 19398 isnsg3 19399 ssnmz 19405 nmznsg 19407 eqger 19419 eqgid 19421 eqgen 19422 eqgcpbl 19423 qusgrp 19430 quseccl 19431 qusadd 19432 qus0 19433 qusinv 19434 qussub 19435 ecqusaddcl 19437 resghm2 19476 resghm2b 19477 conjsubg 19493 conjsubgen 19494 conjnmz 19495 conjnmzb 19496 qusghm 19498 ghmqusnsg 19526 ghmquskerlem3 19530 subgga 19544 gastacos 19554 orbstafun 19555 cntrsubgnsg 19587 oppgsubg 19607 isslw 19852 sylow2blem1 19864 sylow2blem2 19865 sylow2blem3 19866 slwhash 19868 lsmval 19892 lsmelval 19893 lsmelvali 19894 lsmelvalm 19895 lsmsubg 19898 lsmless1 19904 lsmless2 19905 lsmless12 19906 lsmass 19913 lsm01 19915 lsm02 19916 subglsm 19917 lsmmod 19919 lsmcntz 19923 lsmcntzr 19924 lsmdisj2 19926 subgdisj1 19935 pj1f 19941 pj1id 19943 pj1lid 19945 pj1rid 19946 pj1ghm 19947 subgdmdprd 20280 subgdprd 20281 dprdsn 20282 pgpfaclem2 20328 cldsubg 24460 gsumsubg 33677 qusker 33980 grplsmid 34025 quslsm 34026 qus0g 34028 qusrn 34030 nsgqus0 34031 nsgmgclem 34032 nsgqusf1olem1 34034 nsgqusf1olem2 34035 nsgqusf1olem3 34036 |
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