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| Mirrors > Home > MPE Home > Th. List > mndidcl | Structured version Visualization version GIF version | ||
| Description: The identity element of a monoid belongs to the monoid. (Contributed by NM, 27-Aug-2011.) (Revised by Mario Carneiro, 27-Dec-2014.) |
| Ref | Expression |
|---|---|
| mndidcl.b | ⊢ 𝐵 = (Base‘𝐺) |
| mndidcl.o | ⊢ 0 = (0g‘𝐺) |
| Ref | Expression |
|---|---|
| mndidcl | ⊢ (𝐺 ∈ Mnd → 0 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndidcl.b | . 2 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | mndidcl.o | . 2 ⊢ 0 = (0g‘𝐺) | |
| 3 | eqid 2762 | . 2 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | 1, 3 | mndid 18778 | . 2 ⊢ (𝐺 ∈ Mnd → ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ((𝑥(+g‘𝐺)𝑦) = 𝑦 ∧ (𝑦(+g‘𝐺)𝑥) = 𝑦)) |
| 5 | 1, 2, 3, 4 | mgmidcl 18700 | 1 ⊢ (𝐺 ∈ Mnd → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 ∈ wcel 2142 ‘cfv 6521 Basecbs 17245 +gcplusg 17286 0gc0g 17468 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-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 |
| 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-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-dif 3907 df-un 3909 df-in 3911 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-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-iota 6477 df-fun 6523 df-fv 6529 df-riota 7353 df-ov 7399 df-0g 17470 df-mgm 18674 df-sgrp 18753 df-mnd 18769 |
| This theorem is referenced by: mndbn0 18784 hashfinmndnn 18785 mndpfo 18791 mndpsuppss 18799 prdsidlem 18803 imasmnd 18809 xpsmnd0 18812 idmhm 18829 mhmf1o 18830 mndvlid 18833 mndvrid 18834 issubmd 18840 submid 18844 0subm 18851 0mhm 18853 mhmco 18857 mhmeql 18860 submacs 18861 mndind 18862 prdspjmhm 18863 pwsdiagmhm 18865 pwsco1mhm 18866 pwsco2mhm 18867 gsumvallem2 18868 dfgrp2 19004 grpidcl 19007 mhmid 19105 mhmmnd 19106 mulgnn0cl 19132 mulgnn0z 19143 cntzsubm 19378 oppgmnd 19394 gex1 19631 mulgnn0di 19865 mulgmhm 19867 subcmn 19877 gsumval3 19947 gsumzcl2 19950 gsumzaddlem 19961 gsumzsplit 19967 gsumzmhm 19977 gsummpt1n0 20005 simpgnideld 20141 submomnd 20172 omndmul2 20173 omndmul3 20174 omndmul 20175 ogrpinv0le 20176 gsumle 20185 srgidcl 20245 srg0cl 20246 ringidcl 20311 gsummgp0 20362 c0mgm 20504 c0mhm 20505 c0snmgmhm 20507 c0snmhm 20508 pwssplit1 21123 rngqiprngimf1 21367 dsmm0cl 21789 dsmmacl 21790 mhmcompl 22171 mdet0 22663 mndifsplit 22693 gsummatr01lem3 22714 pmatcollpw3fi1lem1 22843 tmdmulg 24149 tmdgsum 24152 tsms0 24199 tsmssplit 24209 tsmsxp 24212 mndlactfo 33202 mndractfo 33204 mndlactf1o 33205 mndractf1o 33206 suppgsumssiun 33249 gsumwun 33253 cntzsnid 33257 fxpsubm 33349 slmd0vcl 33398 ply1degltdimlem 33916 lvecendof1f1o 33927 sibf0 34628 sitmcl 34645 primrootsunit1 42711 primrootscoprmpow 42713 primrootscoprbij 42716 evl1gprodd 42731 ringexp0nn 42748 aks6d1c5lem2 42752 pwssplit4 43663 mgpsumz 48981 lco0 49046 mndtccatid 50205 |
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