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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 18679 | . 2 ⊢ (𝑀 ∈ Mnd → 𝑀 ∈ Smgrp) | |
| 2 | sgrpmgm 18663 | . 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 2114 Mgmcmgm 18577 Smgrpcsgrp 18657 Mndcmnd 18673 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-nul 5255 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6458 df-fv 6510 df-ov 7373 df-sgrp 18658 df-mnd 18674 |
| This theorem is referenced by: mndcl 18681 mndplusf 18691 ismhm0 18729 mhmismgmhm 18730 mndissubm 18746 grpmgmd 18908 grpissubg 19093 srg1zr 20167 ringmgm 20196 c0mgm 20412 c0snmgmhm 20415 c0snmhm 20416 psdmplcl 22122 psdadd 22123 psdpw 22130 chfacfpmmulgsum2 22826 cayhamlem1 22827 idomrootle 26151 fidomncyc 42934 |
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