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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 17910 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
4 | 2, 3 | mgmcl 17847 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
5 | 1, 4 | syl3an1 1160 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 +gcplusg 16557 Mgmcmgm 17842 Mndcmnd 17903 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-nul 5174 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-mgm 17844 df-sgrp 17893 df-mnd 17904 |
This theorem is referenced by: mnd4g 17917 mndpropd 17928 issubmnd 17930 prdsplusgcl 17934 imasmnd 17941 idmhm 17957 mhmf1o 17958 issubmd 17963 0mhm 17976 mhmco 17980 mhmeql 17982 submacs 17983 mndind 17984 prdspjmhm 17985 pwsdiagmhm 17987 pwsco1mhm 17988 pwsco2mhm 17989 gsumccatOLD 17997 gsumwmhm 18002 grpcl 18103 mhmmnd 18213 mulgnn0cl 18236 cntzsubm 18458 oppgmnd 18474 lsmssv 18760 frgp0 18878 frgpadd 18881 mulgnn0di 18939 mulgmhm 18941 gsumval3eu 19017 gsumval3 19020 gsumzcl2 19023 gsumzaddlem 19034 gsumzmhm 19050 gsummptfzcl 19082 srgcl 19255 srgacl 19267 srgbinomlem 19287 srgbinom 19288 ringcl 19307 ringpropd 19328 mndvcl 20998 mhmvlin 21004 mat2pmatghm 21335 pm2mpghm 21421 cpmadugsumlemF 21481 tsmsadd 22752 omndadd2d 30759 omndadd2rd 30760 slmdacl 30887 slmdvacl 30890 gsumncl 31920 c0mhm 44534 ofaddmndmap 44745 lincsum 44838 |
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