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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 18980 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18869 | . 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 2147 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 +gcplusg 17472 Mgmcmgm 18864 Mndcmnd 18973 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-nul 5266 |
| 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 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-iota 6520 df-fv 6574 df-ov 7454 df-mgm 18866 df-sgrp 18958 df-mnd 18974 |
| This theorem is used by: mnd4g 18988 mndpropd 19001 issubmnd 19003 prdsplusgcl 19012 imasmnd 19019 xpsmnd0 19022 idmhm 19040 mhmf1o 19041 mndvcl 19042 mhmvlin 19046 issubmd 19051 0mhm 19065 mhmco 19069 mhmeql 19072 submacs 19073 mndind 19074 prdspjmhm 19075 pwsdiagmhm 19077 pwsco1mhm 19078 pwsco2mhm 19079 gsumwmhm 19091 grpcl 19202 mhmmnd 19324 mulgnn0cl 19350 cntzsubm 19603 oppgmnd 19619 lsmssv 19908 frgp0 20025 frgpadd 20028 mulgnn0di 20090 mulgmhm 20092 gsumval3eu 20169 gsumval3 20172 gsumzcl2 20175 gsumzaddlem 20186 gsumzmhm 20202 gsummptfzcl 20234 omndadd2d 20395 omndadd2rd 20396 srgcl 20470 srgacl 20482 srgbinomlem 20507 srgbinom 20508 ringcl 20528 ringpropd 20570 c0mhm 20741 mat2pmatghm 23103 pm2mpghm 23189 cpmadugsumlemF 23249 tsmsadd 24521 mndcld 33682 cmn246135 33693 cmn145236 33694 slmdacl 33869 slmdvacl 33872 gsumncl 35283 primrootsunit1 43413 aks6d1c1 43432 aks6d1c5lem0 43451 aks6d1c5lem3 43453 aks6d1c5lem2 43454 aks6d1c5 43455 aks6d1c6lem1 43486 ofaddmndmap 49786 lincsum 49872 mndtccatid 51056 |
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