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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 18831 | . 2 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Mgm) | |
| 2 | mndcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | mndcl.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | mgmcl 18723 | . 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 2146 ‘cfv 6540 (class class class)co 7419 Basecbs 17291 +gcplusg 17332 Mgmcmgm 18718 Mndcmnd 18824 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 ax-nul 5271 |
| 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 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-iota 6496 df-fv 6548 df-ov 7422 df-mgm 18720 df-sgrp 18809 df-mnd 18825 |
| This theorem is used by: mnd4g 18839 mndpropd 18852 issubmnd 18854 prdsplusgcl 18863 imasmnd 18870 xpsmnd0 18873 idmhm 18890 mhmf1o 18891 mndvcl 18892 mhmvlin 18896 issubmd 18901 0mhm 18915 mhmco 18919 mhmeql 18922 submacs 18923 mndind 18924 prdspjmhm 18925 pwsdiagmhm 18927 pwsco1mhm 18928 pwsco2mhm 18929 gsumwmhm 18941 grpcl 19052 mhmmnd 19174 mulgnn0cl 19200 cntzsubm 19452 oppgmnd 19468 lsmssv 19757 frgp0 19874 frgpadd 19877 mulgnn0di 19939 mulgmhm 19941 gsumval3eu 20018 gsumval3 20021 gsumzcl2 20024 gsumzaddlem 20035 gsumzmhm 20051 gsummptfzcl 20083 omndadd2d 20244 omndadd2rd 20245 srgcl 20319 srgacl 20331 srgbinomlem 20356 srgbinom 20357 ringcl 20376 ringpropd 20417 c0mhm 20588 mat2pmatghm 22937 pm2mpghm 23023 cpmadugsumlemF 23083 tsmsadd 24355 mndcld 33406 cmn246135 33417 cmn145236 33418 slmdacl 33593 slmdvacl 33596 gsumncl 34995 primrootsunit1 42922 aks6d1c1 42941 aks6d1c5lem0 42960 aks6d1c5lem3 42962 aks6d1c5lem2 42963 aks6d1c5 42964 aks6d1c6lem1 42995 ofaddmndmap 49180 lincsum 49266 mndtccatid 50422 |
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