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| Mirrors > Home > MPE Home > Th. List > mndmgm | Structured version Visualization version GIF version | ||
| Description: A monoid is a magma. (Contributed by FL, 2-Nov-2009.) (Revised by AV, 6-Jan-2020.) (Proof shortened by AV, 6-Feb-2020.) |
| Ref | Expression |
|---|---|
| mndmgm | ⊢ (𝑀 ∈ Mnd → 𝑀 ∈ Mgm) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndsgrp 18776 | . 2 ⊢ (𝑀 ∈ Mnd → 𝑀 ∈ Smgrp) | |
| 2 | sgrpmgm 18760 | . 2 ⊢ (𝑀 ∈ Smgrp → 𝑀 ∈ Mgm) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝑀 ∈ Mnd → 𝑀 ∈ Mgm) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2144 Mgmcmgm 18674 Smgrpcsgrp 18754 Mndcmnd 18770 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 ax-nul 5258 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-ne 2960 df-ral 3079 df-rex 3089 df-rab 3417 df-v 3458 df-sbc 3747 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5103 df-iota 6479 df-fv 6531 df-ov 7401 df-sgrp 18755 df-mnd 18771 |
| This theorem is referenced by: mndcl 18778 mndplusf 18788 ismhm0 18826 mhmismgmhm 18827 mndissubm 18843 grpmgmd 19005 grpissubg 19190 srg1zr 20267 ringmgm 20296 c0mgm 20510 c0snmgmhm 20513 c0snmhm 20514 psdmplcl 22229 psdadd 22230 psdpw 22237 chfacfpmmulgsum2 22927 cayhamlem1 22928 idomrootle 26235 fidomncyc 43158 |
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