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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 18700 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18602 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1169 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ‘cfv 6485 (class class class)co 7356 Basecbs 17170 +gcplusg 17211 Mgmcmgm 18597 Mndcmnd 18693 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-nul 5228 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 df-mgm 18599 df-sgrp 18678 df-mnd 18694 |
| This theorem is referenced by: mnd4g 18707 mndpropd 18718 issubmnd 18720 prdsplusgcl 18727 imasmnd 18734 xpsmnd0 18737 idmhm 18754 mhmf1o 18755 mndvcl 18756 mhmvlin 18760 issubmd 18765 0mhm 18778 mhmco 18782 mhmeql 18785 submacs 18786 mndind 18787 prdspjmhm 18788 pwsdiagmhm 18790 pwsco1mhm 18791 pwsco2mhm 18792 gsumwmhm 18804 grpcl 18908 mhmmnd 19031 mulgnn0cl 19057 cntzsubm 19304 oppgmnd 19320 lsmssv 19609 frgp0 19726 frgpadd 19729 mulgnn0di 19791 mulgmhm 19793 gsumval3eu 19870 gsumval3 19873 gsumzcl2 19876 gsumzaddlem 19887 gsumzmhm 19903 gsummptfzcl 19935 omndadd2d 20096 omndadd2rd 20097 srgcl 20165 srgacl 20177 srgbinomlem 20202 srgbinom 20203 ringcl 20222 ringpropd 20260 c0mhm 20431 mat2pmatghm 22713 pm2mpghm 22799 cpmadugsumlemF 22859 tsmsadd 24130 mndcld 33101 cmn246135 33112 cmn145236 33113 slmdacl 33290 slmdvacl 33293 gsumncl 34724 primrootsunit1 42582 aks6d1c1 42601 aks6d1c5lem0 42620 aks6d1c5lem3 42622 aks6d1c5lem2 42623 aks6d1c5 42624 aks6d1c6lem1 42655 ofaddmndmap 48834 lincsum 48920 mndtccatid 50077 |
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