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| Mirrors > Home > MPE Home > Th. List > mndcl | Structured version Visualization version GIF version | ||
| Description: Closure of the operation of a monoid. (Contributed by NM, 14-Aug-2011.) (Revised by Mario Carneiro, 6-Jan-2015.) (Proof shortened by AV, 8-Feb-2020.) |
| Ref | Expression |
|---|---|
| mndcl.b | ⊢ 𝐵 = (Base‘𝐺) |
| mndcl.p | ⊢ + = (+g‘𝐺) |
| Ref | Expression |
|---|---|
| mndcl | ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndmgm 18798 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18700 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1179 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1101 = wceq 1567 ∈ wcel 2149 ‘cfv 6537 (class class class)co 7411 Basecbs 17268 +gcplusg 17309 Mgmcmgm 18695 Mndcmnd 18791 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-nul 5271 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 df-mgm 18697 df-sgrp 18776 df-mnd 18792 |
| This theorem is referenced by: mnd4g 18805 mndpropd 18816 issubmnd 18818 prdsplusgcl 18825 imasmnd 18832 xpsmnd0 18835 idmhm 18852 mhmf1o 18853 mndvcl 18854 mhmvlin 18858 issubmd 18863 0mhm 18877 mhmco 18881 mhmeql 18884 submacs 18885 mndind 18886 prdspjmhm 18887 pwsdiagmhm 18889 pwsco1mhm 18890 pwsco2mhm 18891 gsumwmhm 18903 grpcl 19007 mhmmnd 19129 mulgnn0cl 19155 cntzsubm 19407 oppgmnd 19423 lsmssv 19712 frgp0 19829 frgpadd 19832 mulgnn0di 19894 mulgmhm 19896 gsumval3eu 19973 gsumval3 19976 gsumzcl2 19979 gsumzaddlem 19990 gsumzmhm 20006 gsummptfzcl 20038 omndadd2d 20199 omndadd2rd 20200 srgcl 20274 srgacl 20286 srgbinomlem 20311 srgbinom 20312 ringcl 20331 ringpropd 20370 c0mhm 20541 mat2pmatghm 22855 pm2mpghm 22941 cpmadugsumlemF 23001 tsmsadd 24272 mndcld 33282 cmn246135 33293 cmn145236 33294 slmdacl 33469 slmdvacl 33472 gsumncl 34874 primrootsunit1 42753 aks6d1c1 42772 aks6d1c5lem0 42791 aks6d1c5lem3 42793 aks6d1c5lem2 42794 aks6d1c5 42795 aks6d1c6lem1 42826 ofaddmndmap 49007 lincsum 49093 mndtccatid 50249 |
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