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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 19070 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18850 | . 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 7417 Basecbs 17307 +gcplusg 17348 Mndcmnd 18842 Grpcgrp 19063 |
| 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 7420 df-mgm 18736 df-sgrp 18827 df-mnd 18843 df-grp 19066 |
| This theorem is used by: grpcld 19077 grprcan 19103 grprinv 19120 grplmulf1o 19142 grpinvadd 19147 grpsubf 19148 grpsubadd 19157 grpaddsubass 19159 grpnpcan 19161 grpsubsub4 19162 grppnpcan2 19163 grplactcnv 19172 imasgrp 19185 mulgcl 19220 mulgaddcomlem 19226 mulgdir 19235 subgcl 19265 nsgacs 19291 nmzsubg 19294 nsgid 19299 eqgcpbl 19313 qusxpid 19314 qusgrp 19320 qusadd 19322 ecqusaddcl 19327 qus0subgadd 19333 ghmrn 19362 idghm 19364 ghmpreima 19371 ghmnsgima 19373 ghmnsgpreima 19374 ghmf1o 19381 conjghm 19382 qusghm 19388 gaid 19432 subgga 19433 gass 19434 gaorber 19441 gastacl 19442 gastacos 19443 cntzsubg 19472 galactghm 19537 lactghmga 19538 symgsssg 19600 symgfisg 19601 symggen 19603 sylow1lem2 19732 sylow2blem1 19753 sylow2blem2 19754 sylow2blem3 19755 sylow3lem1 19760 sylow3lem2 19761 subgdisj1 19824 ablsub4 19943 abladdsub4 19944 mulgdi 19959 mulgghm 19961 invghm 19966 ghmplusg 19979 odadd1 19981 odadd2 19982 odadd 19983 gex2abl 19984 gexexlem 19985 torsubg 19987 oddvdssubg 19988 frgpnabllem2 20007 ogrpaddltbi 20272 ogrpaddltrbid 20274 ogrpinvlt 20277 rngacl 20303 rngpropd 20315 ringacl 20425 ringpropd 20436 dvrdir 20559 abvtrivd 21004 idsrngd 21028 lmodacl 21062 lmodvacl 21065 lmodprop2d 21114 rmodislmod 21120 prdslmodd 21159 pwssplit2 21250 evpmodpmf1o 21815 frlmplusgvalb 21988 asclghm 22103 mplind 22292 evlslem1 22304 evlsaddval 22351 evl1addd 22572 scmataddcl 22744 mdetralt 22836 mdetunilem6 22845 matunitlindflem1 22907 opnsubg 24340 ghmcnp 24347 qustgpopn 24352 ngprcan 24842 ngpocelbl 24936 nmotri 24971 ncvspi 25390 cphipval2 25475 4cphipval2 25476 cphipval 25477 efsubm 26796 abvcxp 27859 ttgcontlem1 29349 abliso 33483 cyc3co2 33588 cyc3genpmlem 33599 cycpmconjs 33604 cyc3conja 33605 archiabllem2a 33642 archiabllem2c 33643 archiabllem2b 33644 imaslmod 33801 quslmod 33806 nsgmgclem 33848 drgextlsp 34112 fldhmf1 42964 primrootsunit1 42971 aks6d1c1p2 42983 aks6d1c1p3 42984 nelsubgcld 43393 fsuppssind 43447 gicabl 43948 isnumbasgrplem2 43953 mendlmod 44038 |
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