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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 19113 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18893 | . 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 6527 (class class class)co 7408 Basecbs 17349 +gcplusg 17390 Mndcmnd 18885 Grpcgrp 19106 |
| 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 2732 ax-nul 5259 |
| 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 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-dif 3901 df-un 3903 df-ss 3915 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-iota 6483 df-fv 6535 df-ov 7411 df-mgm 18778 df-sgrp 18870 df-mnd 18886 df-grp 19109 |
| This theorem is used by: grpcld 19120 grprcan 19146 grprinv 19163 grplmulf1o 19185 grpinvadd 19190 grpsubf 19191 grpsubadd 19200 grpaddsubass 19202 grpnpcan 19204 grpsubsub4 19205 grppnpcan2 19206 grplactcnv 19215 imasgrp 19228 mulgcl 19263 mulgaddcomlem 19269 mulgdir 19278 subgcl 19308 nsgacs 19334 nmzsubg 19337 nsgid 19342 eqgcpbl 19356 qusxpid 19357 qusgrp 19363 qusadd 19365 ecqusaddcl 19370 qus0subgadd 19376 ghmrn 19405 idghm 19407 ghmpreima 19414 ghmnsgima 19416 ghmnsgpreima 19417 ghmf1o 19424 conjghm 19425 qusghm 19431 gaid 19475 subgga 19476 gass 19477 gaorber 19484 gastacl 19485 gastacos 19486 cntzsubg 19515 galactghm 19580 lactghmga 19581 symgsssg 19643 symgfisg 19644 symggen 19646 sylow1lem2 19775 sylow2blem1 19796 sylow2blem2 19797 sylow2blem3 19798 sylow3lem1 19803 sylow3lem2 19804 subgdisj1 19867 ablsub4 19986 abladdsub4 19987 mulgdi 20002 mulgghm 20004 invghm 20009 ghmplusg 20022 odadd1 20024 odadd2 20025 odadd 20026 gex2abl 20027 gexexlem 20028 torsubg 20030 oddvdssubg 20031 frgpnabllem2 20050 ogrpaddltbi 20315 ogrpaddltrbid 20317 ogrpinvlt 20320 rngacl 20346 rngpropd 20358 ringacl 20469 ringpropd 20481 dvrdir 20604 abvtrivd 21051 idsrngd 21075 lmodacl 21109 lmodvacl 21112 lmodprop2d 21161 rmodislmod 21167 prdslmodd 21206 pwssplit2 21297 evpmodpmf1o 21864 frlmplusgvalb 22037 asclghm 22152 mplind 22341 evlslem1 22353 evlsaddval 22400 evl1addd 22621 scmataddcl 22793 mdetralt 22885 mdetunilem6 22894 matunitlindflem1 22956 opnsubg 24389 ghmcnp 24396 qustgpopn 24401 ngprcan 24891 ngpocelbl 24985 nmotri 25020 ncvspi 25439 cphipval2 25524 4cphipval2 25525 cphipval 25526 efsubm 26843 abvcxp 27906 ttgcontlem1 29396 abliso 33530 cyc3co2 33635 cyc3genpmlem 33646 cycpmconjs 33651 cyc3conja 33652 archiabllem2a 33689 archiabllem2c 33690 archiabllem2b 33691 imaslmod 33848 quslmod 33853 nsgmgclem 33896 drgextlsp 34160 fldhmf1 43060 primrootsunit1 43067 aks6d1c1p2 43079 aks6d1c1p3 43080 nelsubgcld 43489 fsuppssind 43543 gicabl 44044 isnumbasgrplem2 44049 mendlmod 44134 |
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