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Mirrors > Home > ILE Home > Th. List > mndidcl | Unicode 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 |
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mndidcl.o |
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Ref | Expression |
---|---|
mndidcl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mndidcl.b |
. 2
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2 | mndidcl.o |
. 2
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3 | eqid 2189 |
. 2
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4 | 1, 3 | mndid 12901 |
. 2
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5 | 1, 2, 3, 4 | mgmidcl 12857 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-sep 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-cnex 7933 ax-resscn 7934 ax-1re 7936 ax-addrcl 7939 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-un 3148 df-in 3150 df-ss 3157 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-br 4019 df-opab 4080 df-mpt 4081 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-res 4656 df-iota 5196 df-fun 5237 df-fn 5238 df-fv 5243 df-riota 5852 df-ov 5900 df-inn 8951 df-2 9009 df-ndx 12518 df-slot 12519 df-base 12521 df-plusg 12605 df-0g 12766 df-mgm 12835 df-sgrp 12880 df-mnd 12893 |
This theorem is referenced by: mndbn0 12907 hashfinmndnn 12908 mndpfo 12914 idmhm 12936 mhmf1o 12937 issubmd 12941 submid 12944 0subm 12951 0mhm 12953 mhmco 12957 mhmeql 12959 dfgrp2 12986 grpidcl 12988 mhmid 13072 mhmmnd 13073 mulgnn0cl 13095 mulgnn0z 13106 srgidcl 13347 srg0cl 13348 ringidcl 13391 |
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