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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 18914 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18708 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1169 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ‘cfv 6492 (class class class)co 7363 Basecbs 17177 +gcplusg 17218 Mndcmnd 18700 Grpcgrp 18907 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-nul 5235 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-iota 6448 df-fv 6500 df-ov 7366 df-mgm 18606 df-sgrp 18685 df-mnd 18701 df-grp 18910 |
| This theorem is referenced by: grpcld 18921 grprcan 18947 grprinv 18964 grplmulf1o 18987 grpinvadd 18992 grpsubf 18993 grpsubadd 19002 grpaddsubass 19004 grpnpcan 19006 grpsubsub4 19007 grppnpcan2 19008 grplactcnv 19017 imasgrp 19030 mulgcl 19065 mulgaddcomlem 19071 mulgdir 19080 subgcl 19110 nsgacs 19135 nmzsubg 19138 nsgid 19143 eqgcpbl 19155 qusgrp 19159 qusadd 19161 ecqusaddcl 19166 qus0subgadd 19172 ghmrn 19202 idghm 19204 ghmpreima 19211 ghmnsgima 19213 ghmnsgpreima 19214 ghmf1o 19221 conjghm 19222 qusghm 19228 gaid 19272 subgga 19273 gass 19274 gaorber 19281 gastacl 19282 gastacos 19283 cntzsubg 19312 galactghm 19377 lactghmga 19378 symgsssg 19440 symgfisg 19441 symggen 19443 sylow1lem2 19572 sylow2blem1 19593 sylow2blem2 19594 sylow2blem3 19595 sylow3lem1 19600 sylow3lem2 19601 subgdisj1 19664 ablsub4 19783 abladdsub4 19784 mulgdi 19799 mulgghm 19801 invghm 19806 ghmplusg 19819 odadd1 19821 odadd2 19822 odadd 19823 gex2abl 19824 gexexlem 19825 torsubg 19827 oddvdssubg 19828 frgpnabllem2 19847 ogrpaddltbi 20112 ogrpaddltrbid 20114 ogrpinvlt 20117 rngacl 20141 rngpropd 20153 ringacl 20257 ringpropd 20267 dvrdir 20390 drngmclOLD 20730 abvtrivd 20811 idsrngd 20835 lmodacl 20869 lmodvacl 20872 lmodprop2d 20921 rmodislmod 20927 prdslmodd 20966 pwssplit2 21057 evpmodpmf1o 21578 frlmplusgvalb 21751 asclghm 21864 mplind 22053 evlslem1 22065 evlsaddval 22112 evl1addd 22334 scmataddcl 22506 mdetralt 22598 mdetunilem6 22607 opnsubg 24098 ghmcnp 24105 qustgpopn 24110 ngprcan 24600 ngpocelbl 24694 nmotri 24729 ncvspi 25148 cphipval2 25233 4cphipval2 25234 cphipval 25235 efsubm 26540 abvcxp 27603 ttgcontlem1 28978 abliso 33122 cyc3co2 33228 cyc3genpmlem 33239 cycpmconjs 33244 cyc3conja 33245 archiabllem2a 33282 archiabllem2c 33283 archiabllem2b 33284 imaslmod 33443 quslmod 33448 qusxpid 33453 nsgmgclem 33501 drgextlsp 33785 matunitlindflem1 37984 fldhmf1 42576 primrootsunit1 42583 aks6d1c1p2 42595 aks6d1c1p3 42596 nelsubgcld 42988 fsuppssind 43044 gicabl 43545 isnumbasgrplem2 43550 mendlmod 43635 |
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