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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 19013 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18806 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1180 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1102 = wceq 1569 ∈ wcel 2142 ‘cfv 6536 (class class class)co 7412 Basecbs 17275 +gcplusg 17316 Mndcmnd 18798 Grpcgrp 19006 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-nul 5268 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-sbc 3744 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-iota 6492 df-fv 6544 df-ov 7415 df-mgm 18704 df-sgrp 18783 df-mnd 18799 df-grp 19009 |
| This theorem is used by: grpcld 19020 grprcan 19046 grprinv 19063 grplmulf1o 19085 grpinvadd 19090 grpsubf 19091 grpsubadd 19100 grpaddsubass 19102 grpnpcan 19104 grpsubsub4 19105 grppnpcan2 19106 grplactcnv 19115 imasgrp 19128 mulgcl 19163 mulgaddcomlem 19169 mulgdir 19178 subgcl 19208 nsgacs 19234 nmzsubg 19237 nsgid 19242 eqgcpbl 19256 qusxpid 19257 qusgrp 19263 qusadd 19265 ecqusaddcl 19270 qus0subgadd 19276 ghmrn 19305 idghm 19307 ghmpreima 19314 ghmnsgima 19316 ghmnsgpreima 19317 ghmf1o 19324 conjghm 19325 qusghm 19331 gaid 19375 subgga 19376 gass 19377 gaorber 19384 gastacl 19385 gastacos 19386 cntzsubg 19415 galactghm 19480 lactghmga 19481 symgsssg 19543 symgfisg 19544 symggen 19546 sylow1lem2 19675 sylow2blem1 19696 sylow2blem2 19697 sylow2blem3 19698 sylow3lem1 19703 sylow3lem2 19704 subgdisj1 19767 ablsub4 19886 abladdsub4 19887 mulgdi 19902 mulgghm 19904 invghm 19909 ghmplusg 19922 odadd1 19924 odadd2 19925 odadd 19926 gex2abl 19927 gexexlem 19928 torsubg 19930 oddvdssubg 19931 frgpnabllem2 19950 ogrpaddltbi 20215 ogrpaddltrbid 20217 ogrpinvlt 20220 rngacl 20246 rngpropd 20258 ringacl 20368 ringpropd 20378 dvrdir 20501 abvtrivd 20946 idsrngd 20970 lmodacl 21004 lmodvacl 21007 lmodprop2d 21056 rmodislmod 21062 prdslmodd 21101 pwssplit2 21192 evpmodpmf1o 21757 frlmplusgvalb 21930 asclghm 22043 mplind 22232 evlslem1 22244 evlsaddval 22291 evl1addd 22512 scmataddcl 22684 mdetralt 22776 mdetunilem6 22785 opnsubg 24276 ghmcnp 24283 qustgpopn 24288 ngprcan 24778 ngpocelbl 24872 nmotri 24907 ncvspi 25326 cphipval2 25411 4cphipval2 25412 cphipval 25413 efsubm 26727 abvcxp 27790 ttgcontlem1 29245 abliso 33364 cyc3co2 33469 cyc3genpmlem 33480 cycpmconjs 33485 cyc3conja 33486 archiabllem2a 33523 archiabllem2c 33524 archiabllem2b 33525 imaslmod 33682 quslmod 33687 nsgmgclem 33729 drgextlsp 33993 matunitlindflem1 38295 fldhmf1 42885 primrootsunit1 42892 aks6d1c1p2 42904 aks6d1c1p3 42905 nelsubgcld 43299 fsuppssind 43353 gicabl 43854 isnumbasgrplem2 43859 mendlmod 43944 |
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