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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 18709 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18611 | . 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 6498 (class class class)co 7367 Basecbs 17179 +gcplusg 17220 Mgmcmgm 18606 Mndcmnd 18702 |
| 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 2708 ax-nul 5241 |
| 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 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 df-mgm 18608 df-sgrp 18687 df-mnd 18703 |
| This theorem is referenced by: mnd4g 18716 mndpropd 18727 issubmnd 18729 prdsplusgcl 18736 imasmnd 18743 xpsmnd0 18746 idmhm 18763 mhmf1o 18764 mndvcl 18765 mhmvlin 18769 issubmd 18774 0mhm 18787 mhmco 18791 mhmeql 18794 submacs 18795 mndind 18796 prdspjmhm 18797 pwsdiagmhm 18799 pwsco1mhm 18800 pwsco2mhm 18801 gsumwmhm 18813 grpcl 18917 mhmmnd 19040 mulgnn0cl 19066 cntzsubm 19313 oppgmnd 19329 lsmssv 19618 frgp0 19735 frgpadd 19738 mulgnn0di 19800 mulgmhm 19802 gsumval3eu 19879 gsumval3 19882 gsumzcl2 19885 gsumzaddlem 19896 gsumzmhm 19912 gsummptfzcl 19944 omndadd2d 20105 omndadd2rd 20106 srgcl 20174 srgacl 20186 srgbinomlem 20211 srgbinom 20212 ringcl 20231 ringpropd 20269 c0mhm 20440 mat2pmatghm 22695 pm2mpghm 22781 cpmadugsumlemF 22841 tsmsadd 24112 mndcld 33082 cmn246135 33093 cmn145236 33094 slmdacl 33270 slmdvacl 33273 gsumncl 34684 primrootsunit1 42536 aks6d1c1 42555 aks6d1c5lem0 42574 aks6d1c5lem3 42576 aks6d1c5lem2 42577 aks6d1c5 42578 aks6d1c6lem1 42609 ofaddmndmap 48819 lincsum 48905 mndtccatid 50062 |
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