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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 18930 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18819 | . 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 6538 (class class class)co 7420 Basecbs 17387 +gcplusg 17428 Mgmcmgm 18814 Mndcmnd 18923 |
| 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 2733 ax-nul 5260 |
| 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 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 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 6494 df-fv 6546 df-ov 7423 df-mgm 18816 df-sgrp 18908 df-mnd 18924 |
| This theorem is used by: mnd4g 18938 mndpropd 18951 issubmnd 18953 prdsplusgcl 18962 imasmnd 18969 xpsmnd0 18972 idmhm 18990 mhmf1o 18991 mndvcl 18992 mhmvlin 18996 issubmd 19001 0mhm 19015 mhmco 19019 mhmeql 19022 submacs 19023 mndind 19024 prdspjmhm 19025 pwsdiagmhm 19027 pwsco1mhm 19028 pwsco2mhm 19029 gsumwmhm 19041 grpcl 19152 mhmmnd 19274 mulgnn0cl 19300 cntzsubm 19552 oppgmnd 19568 lsmssv 19857 frgp0 19974 frgpadd 19977 mulgnn0di 20039 mulgmhm 20041 gsumval3eu 20118 gsumval3 20121 gsumzcl2 20124 gsumzaddlem 20135 gsumzmhm 20151 gsummptfzcl 20183 omndadd2d 20344 omndadd2rd 20345 srgcl 20419 srgacl 20431 srgbinomlem 20456 srgbinom 20457 ringcl 20477 ringpropd 20519 c0mhm 20690 mat2pmatghm 23048 pm2mpghm 23134 cpmadugsumlemF 23194 tsmsadd 24466 mndcld 33583 cmn246135 33594 cmn145236 33595 slmdacl 33770 slmdvacl 33773 gsumncl 35172 primrootsunit1 43147 aks6d1c1 43166 aks6d1c5lem0 43185 aks6d1c5lem3 43187 aks6d1c5lem2 43188 aks6d1c5 43189 aks6d1c6lem1 43220 ofaddmndmap 49454 lincsum 49540 mndtccatid 50694 |
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