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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 18939 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18828 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1181 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 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 6543 (class class class)co 7424 Basecbs 17396 +gcplusg 17437 Mgmcmgm 18823 Mndcmnd 18932 |
| 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 3897 df-dif 4046 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6497 df-fv 6551 df-ov 7427 df-mgm 18825 df-sgrp 18917 df-mnd 18933 |
| This theorem is used by: mnd4g 18947 mndpropd 18960 issubmnd 18962 prdsplusgcl 18971 imasmnd 18978 xpsmnd0 18981 idmhm 18999 mhmf1o 19000 mndvcl 19001 mhmvlin 19005 issubmd 19010 0mhm 19024 mhmco 19028 mhmeql 19031 submacs 19032 mndind 19033 prdspjmhm 19034 pwsdiagmhm 19036 pwsco1mhm 19037 pwsco2mhm 19038 gsumwmhm 19050 grpcl 19161 mhmmnd 19283 mulgnn0cl 19309 cntzsubm 19561 oppgmnd 19577 lsmssv 19866 frgp0 19983 frgpadd 19986 mulgnn0di 20048 mulgmhm 20050 gsumval3eu 20127 gsumval3 20130 gsumzcl2 20133 gsumzaddlem 20144 gsumzmhm 20160 gsummptfzcl 20192 omndadd2d 20353 omndadd2rd 20354 srgcl 20428 srgacl 20440 srgbinomlem 20465 srgbinom 20466 ringcl 20486 ringpropd 20528 c0mhm 20699 mat2pmatghm 23057 pm2mpghm 23143 cpmadugsumlemF 23203 tsmsadd 24475 mndcld 33633 cmn246135 33644 cmn145236 33645 slmdacl 33820 slmdvacl 33823 gsumncl 35222 primrootsunit1 43284 aks6d1c1 43303 aks6d1c5lem0 43322 aks6d1c5lem3 43324 aks6d1c5lem2 43325 aks6d1c5 43326 aks6d1c6lem1 43357 ofaddmndmap 49591 lincsum 49677 mndtccatid 50861 |
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