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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 18843 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18733 | . 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 1570 ∈ wcel 2145 ‘cfv 6533 (class class class)co 7413 Basecbs 17301 +gcplusg 17342 Mgmcmgm 18728 Mndcmnd 18836 |
| 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 2732 ax-nul 5263 |
| 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 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6489 df-fv 6541 df-ov 7416 df-mgm 18730 df-sgrp 18821 df-mnd 18837 |
| This theorem is used by: mnd4g 18851 mndpropd 18864 issubmnd 18866 prdsplusgcl 18875 imasmnd 18882 xpsmnd0 18885 idmhm 18903 mhmf1o 18904 mndvcl 18905 mhmvlin 18909 issubmd 18914 0mhm 18928 mhmco 18932 mhmeql 18935 submacs 18936 mndind 18937 prdspjmhm 18938 pwsdiagmhm 18940 pwsco1mhm 18941 pwsco2mhm 18942 gsumwmhm 18954 grpcl 19065 mhmmnd 19187 mulgnn0cl 19213 cntzsubm 19465 oppgmnd 19481 lsmssv 19770 frgp0 19887 frgpadd 19890 mulgnn0di 19952 mulgmhm 19954 gsumval3eu 20031 gsumval3 20034 gsumzcl2 20037 gsumzaddlem 20048 gsumzmhm 20064 gsummptfzcl 20096 omndadd2d 20257 omndadd2rd 20258 srgcl 20332 srgacl 20344 srgbinomlem 20369 srgbinom 20370 ringcl 20389 ringpropd 20430 c0mhm 20601 mat2pmatghm 22955 pm2mpghm 23041 cpmadugsumlemF 23101 tsmsadd 24373 mndcld 33462 cmn246135 33473 cmn145236 33474 slmdacl 33649 slmdvacl 33652 gsumncl 35051 primrootsunit1 42963 aks6d1c1 42982 aks6d1c5lem0 43001 aks6d1c5lem3 43003 aks6d1c5lem2 43004 aks6d1c5 43005 aks6d1c6lem1 43036 ofaddmndmap 49273 lincsum 49359 mndtccatid 50513 |
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