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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 19152 | . 2 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
| 2 | grpcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | grpcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mndcl 18932 | . 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 1569 ∈ wcel 2144 ‘cfv 6538 (class class class)co 7420 Basecbs 17388 +gcplusg 17429 Mndcmnd 18924 Grpcgrp 19145 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 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 1572 df-fal 1582 df-ex 1812 df-sb 2099 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-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-ov 7423 df-mgm 18817 df-sgrp 18909 df-mnd 18925 df-grp 19148 |
| This theorem is used by: grpcld 19159 grprcan 19185 grprinv 19202 grplmulf1o 19224 grpinvadd 19229 grpsubf 19230 grpsubadd 19239 grpaddsubass 19241 grpnpcan 19243 grpsubsub4 19244 grppnpcan2 19245 grplactcnv 19254 imasgrp 19267 mulgcl 19302 mulgaddcomlem 19308 mulgdir 19317 subgcl 19347 nsgacs 19373 nmzsubg 19376 nsgid 19381 eqgcpbl 19395 qusxpid 19396 qusgrp 19402 qusadd 19404 ecqusaddcl 19409 qus0subgadd 19415 ghmrn 19444 idghm 19446 ghmpreima 19453 ghmnsgima 19455 ghmnsgpreima 19456 ghmf1o 19463 conjghm 19464 qusghm 19470 gaid 19514 subgga 19515 gass 19516 gaorber 19523 gastacl 19524 gastacos 19525 cntzsubg 19554 galactghm 19619 lactghmga 19620 symgsssg 19682 symgfisg 19683 symggen 19685 sylow1lem2 19814 sylow2blem1 19835 sylow2blem2 19836 sylow2blem3 19837 sylow3lem1 19842 sylow3lem2 19843 subgdisj1 19906 ablsub4 20025 abladdsub4 20026 mulgdi 20041 mulgghm 20043 invghm 20048 ghmplusg 20061 odadd1 20063 odadd2 20064 odadd 20065 gex2abl 20066 gexexlem 20067 torsubg 20069 oddvdssubg 20070 frgpnabllem2 20089 ogrpaddltbi 20354 ogrpaddltrbid 20356 ogrpinvlt 20359 rngacl 20385 rngpropd 20397 ringacl 20508 ringpropd 20520 dvrdir 20643 abvtrivd 21090 idsrngd 21114 lmodacl 21148 lmodvacl 21151 lmodprop2d 21200 rmodislmod 21206 prdslmodd 21245 pwssplit2 21336 evpmodpmf1o 21903 frlmplusgvalb 22076 asclghm 22191 mplind 22380 evlslem1 22392 evlsaddval 22439 evl1addd 22660 scmataddcl 22832 mdetralt 22924 mdetunilem6 22933 matunitlindflem1 22995 opnsubg 24428 ghmcnp 24435 qustgpopn 24440 ngprcan 24930 ngpocelbl 25024 nmotri 25059 ncvspi 25478 cphipval2 25563 4cphipval2 25564 cphipval 25565 efsubm 26880 abvcxp 27943 ttgcontlem1 29463 abliso 33639 cyc3co2 33744 cyc3genpmlem 33755 cycpmconjs 33760 cyc3conja 33761 archiabllem2a 33798 archiabllem2c 33799 archiabllem2b 33800 imaslmod 33957 quslmod 33962 nsgmgclem 34005 drgextlsp 34269 fldhmf1 43216 primrootsunit1 43223 aks6d1c1p2 43235 aks6d1c1p3 43236 nelsubgcld 43637 fsuppssind 43697 gicabl 44177 isnumbasgrplem2 44182 mendlmod 44267 |
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