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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 14355 |
. . 3
|
| 3 | eqid 2238 |
. . . 4
| |
| 4 | eqid 2238 |
. . . 4
| |
| 5 | 3, 4 | mndidcl 13792 |
. . 3
|
| 6 | 2, 5 | syl 14 |
. 2
|
| 7 | ringidcl.u |
. . 3
| |
| 8 | 1, 7 | ringidvalg 14313 |
. 2
|
| 9 | ringidcl.b |
. . 3
| |
| 10 | 1, 9 | mgpbasg 14273 |
. 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 9307 df-2 9365 df-3 9366 df-ndx 13404 df-slot 13405 df-base 13407 df-sets 13408 df-plusg 13493 df-mulr 13494 df-0g 13661 df-mgm 13725 df-sgrp 13766 df-mnd 13779 df-mgp 14267 df-ur 14312 df-ring 14351 |
| This theorem is used by: ringid 14380 ringo2times 14382 ringcom 14385 ringnegl 14405 ringnegr 14406 ringmneg1 14407 ringmneg2 14408 ringressid 14417 imasring 14418 opprring 14433 opprringb 14435 dvdsrid 14456 dvdsrneg 14459 1unit 14463 ringinvdv 14501 elrhmunit 14533 isnzr2 14540 subrgid 14580 rrgnz 14626 aprlring 14649 lmod1cl 14701 lmodvsneg 14717 lmodsubvs 14729 lmodsubdi 14730 lmodsubdir 14731 lmodprop2d 14734 rmodislmod 14737 lssvnegcl 14762 mulgrhm 14993 zrhmulg 15004 asclvald 15071 asclfnd 15072 asclf 15073 asclghm 15074 ascl0 15076 ascl1 15077 asclmul1 15078 asclmul2 15079 ascldimul 15080 rnascl 15083 assamulgscmlem1 15090 asclmulg 15093 psr1clfi 15128 |
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