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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 18775 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18677 | . 2 ⊢ ((𝐺 ∈ Mgm ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1176 | 1 ⊢ ((𝐺 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1098 = wceq 1560 ∈ wcel 2142 ‘cfv 6521 (class class class)co 7396 Basecbs 17245 +gcplusg 17286 Mgmcmgm 18672 Mndcmnd 18768 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 ax-nul 5256 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-sbc 3745 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6477 df-fv 6529 df-ov 7399 df-mgm 18674 df-sgrp 18753 df-mnd 18769 |
| This theorem is referenced by: mnd4g 18782 mndpropd 18793 issubmnd 18795 prdsplusgcl 18802 imasmnd 18809 xpsmnd0 18812 idmhm 18829 mhmf1o 18830 mndvcl 18831 mhmvlin 18835 issubmd 18840 0mhm 18853 mhmco 18857 mhmeql 18860 submacs 18861 mndind 18862 prdspjmhm 18863 pwsdiagmhm 18865 pwsco1mhm 18866 pwsco2mhm 18867 gsumwmhm 18879 grpcl 18983 mhmmnd 19106 mulgnn0cl 19132 cntzsubm 19378 oppgmnd 19394 lsmssv 19683 frgp0 19800 frgpadd 19803 mulgnn0di 19865 mulgmhm 19867 gsumval3eu 19944 gsumval3 19947 gsumzcl2 19950 gsumzaddlem 19961 gsumzmhm 19977 gsummptfzcl 20009 omndadd2d 20170 omndadd2rd 20171 srgcl 20239 srgacl 20251 srgbinomlem 20276 srgbinom 20277 ringcl 20296 ringpropd 20334 c0mhm 20505 mat2pmatghm 22787 pm2mpghm 22873 cpmadugsumlemF 22933 tsmsadd 24204 mndcld 33197 cmn246135 33208 cmn145236 33209 slmdacl 33386 slmdvacl 33389 gsumncl 34834 primrootsunit1 42711 aks6d1c1 42730 aks6d1c5lem0 42749 aks6d1c5lem3 42751 aks6d1c5lem2 42752 aks6d1c5 42753 aks6d1c6lem1 42784 ofaddmndmap 48962 lincsum 49048 mndtccatid 50205 |
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