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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 18874 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18671 | . 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 6493 (class class class)co 7360 Basecbs 17140 +gcplusg 17181 Mndcmnd 18663 Grpcgrp 18867 |
| 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 5252 |
| 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 3062 df-rab 3401 df-v 3443 df-sbc 3742 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-iota 6449 df-fv 6501 df-ov 7363 df-mgm 18569 df-sgrp 18648 df-mnd 18664 df-grp 18870 |
| This theorem is referenced by: grpcld 18881 grprcan 18907 grprinv 18924 grplmulf1o 18947 grpinvadd 18952 grpsubf 18953 grpsubadd 18962 grpaddsubass 18964 grpnpcan 18966 grpsubsub4 18967 grppnpcan2 18968 grplactcnv 18977 imasgrp 18990 mulgcl 19025 mulgaddcomlem 19031 mulgdir 19040 subgcl 19070 nsgacs 19095 nmzsubg 19098 nsgid 19103 eqgcpbl 19115 qusgrp 19119 qusadd 19121 ecqusaddcl 19126 qus0subgadd 19132 ghmrn 19162 idghm 19164 ghmpreima 19171 ghmnsgima 19173 ghmnsgpreima 19174 ghmf1o 19181 conjghm 19182 qusghm 19188 gaid 19232 subgga 19233 gass 19234 gaorber 19241 gastacl 19242 gastacos 19243 cntzsubg 19272 galactghm 19337 lactghmga 19338 symgsssg 19400 symgfisg 19401 symggen 19403 sylow1lem2 19532 sylow2blem1 19553 sylow2blem2 19554 sylow2blem3 19555 sylow3lem1 19560 sylow3lem2 19561 subgdisj1 19624 ablsub4 19743 abladdsub4 19744 mulgdi 19759 mulgghm 19761 invghm 19766 ghmplusg 19779 odadd1 19781 odadd2 19782 odadd 19783 gex2abl 19784 gexexlem 19785 torsubg 19787 oddvdssubg 19788 frgpnabllem2 19807 ogrpaddltbi 20072 ogrpaddltrbid 20074 ogrpinvlt 20077 rngacl 20101 rngpropd 20113 ringacl 20217 ringpropd 20227 dvrdir 20352 drngmclOLD 20688 abvtrivd 20769 idsrngd 20793 lmodacl 20827 lmodvacl 20830 lmodprop2d 20879 rmodislmod 20885 prdslmodd 20924 pwssplit2 21016 evpmodpmf1o 21555 frlmplusgvalb 21728 asclghm 21842 psraddclOLD 21899 mplind 22029 evlslem1 22041 evl1addd 22289 scmataddcl 22464 mdetralt 22556 mdetunilem6 22565 opnsubg 24056 ghmcnp 24063 qustgpopn 24068 ngprcan 24558 ngpocelbl 24652 nmotri 24687 ncvspi 25116 cphipval2 25201 4cphipval2 25202 cphipval 25203 efsubm 26520 abvcxp 27586 ttgcontlem1 28940 abliso 33099 cyc3co2 33203 cyc3genpmlem 33214 cycpmconjs 33219 cyc3conja 33220 archiabllem2a 33257 archiabllem2c 33258 archiabllem2b 33259 imaslmod 33415 quslmod 33420 qusxpid 33425 nsgmgclem 33473 drgextlsp 33731 matunitlindflem1 37788 fldhmf1 42381 primrootsunit1 42388 aks6d1c1p2 42400 aks6d1c1p3 42401 nelsubgcld 42788 evlsaddval 42850 fsuppssind 42872 gicabl 43377 isnumbasgrplem2 43382 mendlmod 43467 |
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