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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 |
|
| mndidcl.o |
|
| Ref | Expression |
|---|---|
| mndidcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mndidcl.b |
. 2
| |
| 2 | mndidcl.o |
. 2
| |
| 3 | eqid 2196 |
. 2
| |
| 4 | 1, 3 | mndid 13066 |
. 2
|
| 5 | 1, 2, 3, 4 | mgmidcl 13021 |
1
|
| 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 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-cnex 7970 ax-resscn 7971 ax-1re 7973 ax-addrcl 7976 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-reu 2482 df-rmo 2483 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-iota 5219 df-fun 5260 df-fn 5261 df-fv 5266 df-riota 5877 df-ov 5925 df-inn 8991 df-2 9049 df-ndx 12681 df-slot 12682 df-base 12684 df-plusg 12768 df-0g 12929 df-mgm 12999 df-sgrp 13045 df-mnd 13058 |
| This theorem is referenced by: mndbn0 13072 hashfinmndnn 13073 mndpfo 13079 idmhm 13101 mhmf1o 13102 issubmd 13106 submid 13109 0subm 13116 0mhm 13118 mhmco 13122 mhmeql 13124 gsumvallem2 13125 gsumfzz 13127 gsumfzcl 13131 dfgrp2 13159 grpidcl 13161 mhmid 13245 mhmmnd 13246 mulgnn0cl 13268 mulgnn0z 13279 gsumfzmptfidmadd 13469 srgidcl 13532 srg0cl 13533 ringidcl 13576 |
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