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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 19068 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18848 | . 2 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1181 | 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 1103 = wceq 1570 ∈ wcel 2145 ‘cfv 6537 (class class class)co 7416 Basecbs 17305 +gcplusg 17346 Mndcmnd 18840 Grpcgrp 19061 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 ax-nul 5267 |
| 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-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-sbc 3743 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-iota 6493 df-fv 6545 df-ov 7419 df-mgm 18734 df-sgrp 18825 df-mnd 18841 df-grp 19064 |
| This theorem is used by: grpcld 19075 grprcan 19101 grprinv 19118 grplmulf1o 19140 grpinvadd 19145 grpsubf 19146 grpsubadd 19155 grpaddsubass 19157 grpnpcan 19159 grpsubsub4 19160 grppnpcan2 19161 grplactcnv 19170 imasgrp 19183 mulgcl 19218 mulgaddcomlem 19224 mulgdir 19233 subgcl 19263 nsgacs 19289 nmzsubg 19292 nsgid 19297 eqgcpbl 19311 qusxpid 19312 qusgrp 19318 qusadd 19320 ecqusaddcl 19325 qus0subgadd 19331 ghmrn 19360 idghm 19362 ghmpreima 19369 ghmnsgima 19371 ghmnsgpreima 19372 ghmf1o 19379 conjghm 19380 qusghm 19386 gaid 19430 subgga 19431 gass 19432 gaorber 19439 gastacl 19440 gastacos 19441 cntzsubg 19470 galactghm 19535 lactghmga 19536 symgsssg 19598 symgfisg 19599 symggen 19601 sylow1lem2 19730 sylow2blem1 19751 sylow2blem2 19752 sylow2blem3 19753 sylow3lem1 19758 sylow3lem2 19759 subgdisj1 19822 ablsub4 19941 abladdsub4 19942 mulgdi 19957 mulgghm 19959 invghm 19964 ghmplusg 19977 odadd1 19979 odadd2 19980 odadd 19981 gex2abl 19982 gexexlem 19983 torsubg 19985 oddvdssubg 19986 frgpnabllem2 20005 ogrpaddltbi 20270 ogrpaddltrbid 20272 ogrpinvlt 20275 rngacl 20301 rngpropd 20313 ringacl 20423 ringpropd 20434 dvrdir 20557 abvtrivd 21002 idsrngd 21026 lmodacl 21060 lmodvacl 21063 lmodprop2d 21112 rmodislmod 21118 prdslmodd 21157 pwssplit2 21248 evpmodpmf1o 21813 frlmplusgvalb 21986 asclghm 22101 mplind 22290 evlslem1 22302 evlsaddval 22349 evl1addd 22570 scmataddcl 22742 mdetralt 22834 mdetunilem6 22843 matunitlindflem1 22905 opnsubg 24338 ghmcnp 24345 qustgpopn 24350 ngprcan 24840 ngpocelbl 24934 nmotri 24969 ncvspi 25388 cphipval2 25473 4cphipval2 25474 cphipval 25475 efsubm 26789 abvcxp 27852 ttgcontlem1 29342 abliso 33477 cyc3co2 33582 cyc3genpmlem 33593 cycpmconjs 33598 cyc3conja 33599 archiabllem2a 33636 archiabllem2c 33637 archiabllem2b 33638 imaslmod 33795 quslmod 33800 nsgmgclem 33842 drgextlsp 34106 fldhmf1 42958 primrootsunit1 42965 aks6d1c1p2 42977 aks6d1c1p3 42978 nelsubgcld 43387 fsuppssind 43441 gicabl 43942 isnumbasgrplem2 43947 mendlmod 44032 |
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