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| Mirrors > Home > MPE Home > Th. List > grpcl | Structured version Visualization version GIF version | ||
| Description: Closure of the operation of a group. (Contributed by NM, 14-Aug-2011.) |
| Ref | Expression |
|---|---|
| grpcl.b | ⊢ 𝐵 = (Base‘𝐺) |
| grpcl.p | ⊢ + = (+g‘𝐺) |
| Ref | Expression |
|---|---|
| grpcl | ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmnd 18916 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18710 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1164 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ‘cfv 6499 (class class class)co 7367 Basecbs 17179 +gcplusg 17220 Mndcmnd 18702 Grpcgrp 18909 |
| 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-ext 2709 ax-nul 5242 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6455 df-fv 6507 df-ov 7370 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 |
| This theorem is referenced by: grpcld 18923 grprcan 18949 grprinv 18966 grplmulf1o 18989 grpinvadd 18994 grpsubf 18995 grpsubadd 19004 grpaddsubass 19006 grpnpcan 19008 grpsubsub4 19009 grppnpcan2 19010 grplactcnv 19019 imasgrp 19032 mulgcl 19067 mulgaddcomlem 19073 mulgdir 19082 subgcl 19112 nsgacs 19137 nmzsubg 19140 nsgid 19145 eqgcpbl 19157 qusgrp 19161 qusadd 19163 ecqusaddcl 19168 qus0subgadd 19174 ghmrn 19204 idghm 19206 ghmpreima 19213 ghmnsgima 19215 ghmnsgpreima 19216 ghmf1o 19223 conjghm 19224 qusghm 19230 gaid 19274 subgga 19275 gass 19276 gaorber 19283 gastacl 19284 gastacos 19285 cntzsubg 19314 galactghm 19379 lactghmga 19380 symgsssg 19442 symgfisg 19443 symggen 19445 sylow1lem2 19574 sylow2blem1 19595 sylow2blem2 19596 sylow2blem3 19597 sylow3lem1 19602 sylow3lem2 19603 subgdisj1 19666 ablsub4 19785 abladdsub4 19786 mulgdi 19801 mulgghm 19803 invghm 19808 ghmplusg 19821 odadd1 19823 odadd2 19824 odadd 19825 gex2abl 19826 gexexlem 19827 torsubg 19829 oddvdssubg 19830 frgpnabllem2 19849 ogrpaddltbi 20114 ogrpaddltrbid 20116 ogrpinvlt 20119 rngacl 20143 rngpropd 20155 ringacl 20259 ringpropd 20269 dvrdir 20392 drngmclOLD 20728 abvtrivd 20809 idsrngd 20833 lmodacl 20867 lmodvacl 20870 lmodprop2d 20919 rmodislmod 20925 prdslmodd 20964 pwssplit2 21055 evpmodpmf1o 21576 frlmplusgvalb 21749 asclghm 21862 mplind 22048 evlslem1 22060 evl1addd 22306 scmataddcl 22481 mdetralt 22573 mdetunilem6 22582 opnsubg 24073 ghmcnp 24080 qustgpopn 24085 ngprcan 24575 ngpocelbl 24669 nmotri 24704 ncvspi 25123 cphipval2 25208 4cphipval2 25209 cphipval 25210 efsubm 26515 abvcxp 27578 ttgcontlem1 28953 abliso 33096 cyc3co2 33201 cyc3genpmlem 33212 cycpmconjs 33217 cyc3conja 33218 archiabllem2a 33255 archiabllem2c 33256 archiabllem2b 33257 imaslmod 33413 quslmod 33418 qusxpid 33423 nsgmgclem 33471 drgextlsp 33738 matunitlindflem1 37937 fldhmf1 42529 primrootsunit1 42536 aks6d1c1p2 42548 aks6d1c1p3 42549 nelsubgcld 42942 evlsaddval 43004 fsuppssind 43026 gicabl 43527 isnumbasgrplem2 43532 mendlmod 43617 |
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