| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2736 | . 2 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | 1, 3 | mndid 18669 | . 2 ⊢ (𝐺 ∈ Mnd → ∃𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ((𝑥(+g‘𝐺)𝑦) = 𝑦 ∧ (𝑦(+g‘𝐺)𝑥) = 𝑦)) |
| 5 | 1, 2, 3, 4 | mgmidcl 18591 | 1 ⊢ (𝐺 ∈ Mnd → 0 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ‘cfv 6492 Basecbs 17136 +gcplusg 17177 0gc0g 17359 Mndcmnd 18659 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-iota 6448 df-fun 6494 df-fv 6500 df-riota 7315 df-ov 7361 df-0g 17361 df-mgm 18565 df-sgrp 18644 df-mnd 18660 |
| This theorem is referenced by: mndbn0 18675 hashfinmndnn 18676 mndpfo 18682 mndpsuppss 18690 prdsidlem 18694 imasmnd 18700 xpsmnd0 18703 idmhm 18720 mhmf1o 18721 mndvlid 18724 mndvrid 18725 issubmd 18731 submid 18735 0subm 18742 0mhm 18744 mhmco 18748 mhmeql 18751 submacs 18752 mndind 18753 prdspjmhm 18754 pwsdiagmhm 18756 pwsco1mhm 18757 pwsco2mhm 18758 gsumvallem2 18759 dfgrp2 18892 grpidcl 18895 mhmid 18993 mhmmnd 18994 mulgnn0cl 19020 mulgnn0z 19031 cntzsubm 19267 oppgmnd 19283 gex1 19520 mulgnn0di 19754 mulgmhm 19756 subcmn 19766 gsumval3 19836 gsumzcl2 19839 gsumzaddlem 19850 gsumzsplit 19856 gsumzmhm 19866 gsummpt1n0 19894 simpgnideld 20030 submomnd 20061 omndmul2 20062 omndmul3 20063 omndmul 20064 ogrpinv0le 20065 gsumle 20074 srgidcl 20134 srg0cl 20135 ringidcl 20200 gsummgp0 20253 c0mgm 20395 c0mhm 20396 c0snmgmhm 20398 c0snmhm 20399 pwssplit1 21011 rngqiprngimf1 21255 dsmm0cl 21695 dsmmacl 21696 mhmcompl 22324 mdet0 22550 mndifsplit 22580 gsummatr01lem3 22601 pmatcollpw3fi1lem1 22730 tmdmulg 24036 tmdgsum 24039 tsms0 24086 tsmssplit 24096 tsmsxp 24099 mndlactfo 33109 mndractfo 33111 mndlactf1o 33112 mndractf1o 33113 gsumwun 33158 cntzsnid 33162 fxpsubm 33254 slmd0vcl 33303 ply1degltdimlem 33779 lvecendof1f1o 33790 sibf0 34491 sitmcl 34508 primrootsunit1 42351 primrootscoprmpow 42353 primrootscoprbij 42356 evl1gprodd 42371 ringexp0nn 42388 aks6d1c5lem2 42392 pwssplit4 43331 mgpsumz 48608 lco0 48673 mndtccatid 49832 |
| Copyright terms: Public domain | W3C validator |