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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 18703 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18605 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1164 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 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 7361 Basecbs 17173 +gcplusg 17214 Mgmcmgm 18600 Mndcmnd 18696 |
| 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 5242 |
| 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 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6449 df-fv 6501 df-ov 7364 df-mgm 18602 df-sgrp 18681 df-mnd 18697 |
| This theorem is referenced by: mnd4g 18710 mndpropd 18721 issubmnd 18723 prdsplusgcl 18730 imasmnd 18737 xpsmnd0 18740 idmhm 18757 mhmf1o 18758 mndvcl 18759 mhmvlin 18763 issubmd 18768 0mhm 18781 mhmco 18785 mhmeql 18788 submacs 18789 mndind 18790 prdspjmhm 18791 pwsdiagmhm 18793 pwsco1mhm 18794 pwsco2mhm 18795 gsumwmhm 18807 grpcl 18911 mhmmnd 19034 mulgnn0cl 19060 cntzsubm 19307 oppgmnd 19323 lsmssv 19612 frgp0 19729 frgpadd 19732 mulgnn0di 19794 mulgmhm 19796 gsumval3eu 19873 gsumval3 19876 gsumzcl2 19879 gsumzaddlem 19890 gsumzmhm 19906 gsummptfzcl 19938 omndadd2d 20099 omndadd2rd 20100 srgcl 20168 srgacl 20180 srgbinomlem 20205 srgbinom 20206 ringcl 20225 ringpropd 20263 c0mhm 20434 mat2pmatghm 22708 pm2mpghm 22794 cpmadugsumlemF 22854 tsmsadd 24125 mndcld 33100 cmn246135 33111 cmn145236 33112 slmdacl 33288 slmdvacl 33291 gsumncl 34703 primrootsunit1 42553 aks6d1c1 42572 aks6d1c5lem0 42591 aks6d1c5lem3 42593 aks6d1c5lem2 42594 aks6d1c5 42595 aks6d1c6lem1 42626 ofaddmndmap 48834 lincsum 48920 mndtccatid 50077 |
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