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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 18805 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18707 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1180 | 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 1102 = wceq 1569 ∈ wcel 2142 ‘cfv 6536 (class class class)co 7412 Basecbs 17275 +gcplusg 17316 Mgmcmgm 18702 Mndcmnd 18798 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-nul 5268 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-sbc 3744 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-iota 6492 df-fv 6544 df-ov 7415 df-mgm 18704 df-sgrp 18783 df-mnd 18799 |
| This theorem is used by: mnd4g 18812 mndpropd 18823 issubmnd 18825 prdsplusgcl 18832 imasmnd 18839 xpsmnd0 18842 idmhm 18859 mhmf1o 18860 mndvcl 18861 mhmvlin 18865 issubmd 18870 0mhm 18884 mhmco 18888 mhmeql 18891 submacs 18892 mndind 18893 prdspjmhm 18894 pwsdiagmhm 18896 pwsco1mhm 18897 pwsco2mhm 18898 gsumwmhm 18910 grpcl 19014 mhmmnd 19136 mulgnn0cl 19162 cntzsubm 19414 oppgmnd 19430 lsmssv 19719 frgp0 19836 frgpadd 19839 mulgnn0di 19901 mulgmhm 19903 gsumval3eu 19980 gsumval3 19983 gsumzcl2 19986 gsumzaddlem 19997 gsumzmhm 20013 gsummptfzcl 20045 omndadd2d 20206 omndadd2rd 20207 srgcl 20281 srgacl 20293 srgbinomlem 20318 srgbinom 20319 ringcl 20338 ringpropd 20378 c0mhm 20549 mat2pmatghm 22898 pm2mpghm 22984 cpmadugsumlemF 23044 tsmsadd 24315 mndcld 33351 cmn246135 33362 cmn145236 33363 slmdacl 33538 slmdvacl 33541 gsumncl 34939 primrootsunit1 42892 aks6d1c1 42911 aks6d1c5lem0 42930 aks6d1c5lem3 42932 aks6d1c5lem2 42933 aks6d1c5 42934 aks6d1c6lem1 42965 ofaddmndmap 49151 lincsum 49237 mndtccatid 50393 |
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