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| Mirrors > Home > ILE Home > Th. List > ringidcl | Unicode version | ||
| Description: The unity element of a ring belongs to the base set of the ring. (Contributed by NM, 27-Aug-2011.) (Revised by Mario Carneiro, 27-Dec-2014.) |
| Ref | Expression |
|---|---|
| ringidcl.b |
|
| ringidcl.u |
|
| Ref | Expression |
|---|---|
| ringidcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 |
. . . 4
| |
| 2 | 1 | ringmgp 14412 |
. . 3
|
| 3 | eqid 2238 |
. . . 4
| |
| 4 | eqid 2238 |
. . . 4
| |
| 5 | 3, 4 | mndidcl 13801 |
. . 3
|
| 6 | 2, 5 | syl 14 |
. 2
|
| 7 | ringidcl.u |
. . 3
| |
| 8 | 1, 7 | ringidvalg 14370 |
. 2
|
| 9 | ringidcl.b |
. . 3
| |
| 10 | 1, 9 | mgpbasg 14330 |
. 2
|
| 11 | 6, 8, 10 | 3eltr4d 2322 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-i2m1 8290 ax-0lt1 8291 ax-0id 8293 ax-rnegex 8294 ax-pre-ltirr 8297 ax-pre-ltadd 8301 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-pnf 8368 df-mnf 8369 df-ltxr 8371 df-inn 9314 df-2 9372 df-3 9373 df-ndx 13412 df-slot 13413 df-base 13415 df-sets 13416 df-plusg 13502 df-mulr 13503 df-0g 13670 df-mgm 13734 df-sgrp 13775 df-mnd 13788 df-mgp 14324 df-ur 14369 df-ring 14408 |
| This theorem is used by: ringid 14437 ringo2times 14439 ringcom 14442 ringnegl 14462 ringnegr 14463 ringmneg1 14464 ringmneg2 14465 ringressid 14476 imasring 14477 opprring 14492 opprringb 14494 dvdsrid 14515 dvdsrneg 14518 1unit 14522 ringinvdv 14560 elrhmunit 14592 isnzr2 14599 subrgid 14639 rrgnz 14685 aprlring 14708 lmod1cl 14760 lmodvsneg 14776 lmodsubvs 14788 lmodsubdi 14789 lmodsubdir 14790 lmodprop2d 14793 rmodislmod 14796 lssvnegcl 14821 mulgrhm 15052 zrhmulg 15063 asclvald 15130 asclfnd 15131 asclf 15132 asclghm 15133 ascl0 15135 ascl1 15136 asclmul1 15137 asclmul2 15138 ascldimul 15139 rnascl 15142 assamulgscmlem1 15149 asclmulg 15152 psr1clfi 15207 psrridmfi 15209 mvrffi 15218 |
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