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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 14306 |
. . 3
|
| 3 | eqid 2238 |
. . . 4
| |
| 4 | eqid 2238 |
. . . 4
| |
| 5 | 3, 4 | mndidcl 13743 |
. . 3
|
| 6 | 2, 5 | syl 14 |
. 2
|
| 7 | ringidcl.u |
. . 3
| |
| 8 | 1, 7 | ringidvalg 14264 |
. 2
|
| 9 | ringidcl.b |
. . 3
| |
| 10 | 1, 9 | mgpbasg 14224 |
. 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-i2m1 8284 ax-0lt1 8285 ax-0id 8287 ax-rnegex 8288 ax-pre-ltirr 8291 ax-pre-ltadd 8295 |
| 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 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8362 df-mnf 8363 df-ltxr 8365 df-inn 9305 df-2 9363 df-3 9364 df-ndx 13355 df-slot 13356 df-base 13358 df-sets 13359 df-plusg 13444 df-mulr 13445 df-0g 13612 df-mgm 13676 df-sgrp 13717 df-mnd 13730 df-mgp 14218 df-ur 14263 df-ring 14302 |
| This theorem is used by: ringid 14331 ringo2times 14333 ringcom 14336 ringnegl 14356 ringnegr 14357 ringmneg1 14358 ringmneg2 14359 ringressid 14368 imasring 14369 opprring 14384 opprringb 14386 dvdsrid 14407 dvdsrneg 14410 1unit 14414 ringinvdv 14452 elrhmunit 14484 isnzr2 14491 subrgid 14531 rrgnz 14577 aprlring 14600 lmod1cl 14652 lmodvsneg 14668 lmodsubvs 14680 lmodsubdi 14681 lmodsubdir 14682 lmodprop2d 14685 rmodislmod 14688 lssvnegcl 14713 mulgrhm 14944 zrhmulg 14955 asclvald 15022 asclfnd 15023 asclf 15024 asclghm 15025 ascl0 15027 ascl1 15028 asclmul1 15029 asclmul2 15030 ascldimul 15031 rnascl 15034 assamulgscmlem1 15041 asclmulg 15044 psr1clfi 15079 |
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