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| Mirrors > Home > ILE Home > Th. List > ridl0 | GIF version | ||
| Description: Every ring contains a zero right ideal. (Contributed by AV, 13-Feb-2025.) |
| Ref | Expression |
|---|---|
| ridl0.u | ⊢ 𝑈 = (LIdeal‘(oppr‘𝑅)) |
| ridl0.z | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| ridl0 | ⊢ (𝑅 ∈ Ring → { 0 } ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2229 | . . . 4 ⊢ (oppr‘𝑅) = (oppr‘𝑅) | |
| 2 | ridl0.z | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 3 | 1, 2 | oppr0g 14059 | . . 3 ⊢ (𝑅 ∈ Ring → 0 = (0g‘(oppr‘𝑅))) |
| 4 | 3 | sneqd 3679 | . 2 ⊢ (𝑅 ∈ Ring → { 0 } = {(0g‘(oppr‘𝑅))}) |
| 5 | 1 | opprring 14057 | . . 3 ⊢ (𝑅 ∈ Ring → (oppr‘𝑅) ∈ Ring) |
| 6 | ridl0.u | . . . 4 ⊢ 𝑈 = (LIdeal‘(oppr‘𝑅)) | |
| 7 | eqid 2229 | . . . 4 ⊢ (0g‘(oppr‘𝑅)) = (0g‘(oppr‘𝑅)) | |
| 8 | 6, 7 | lidl0 14468 | . . 3 ⊢ ((oppr‘𝑅) ∈ Ring → {(0g‘(oppr‘𝑅))} ∈ 𝑈) |
| 9 | 5, 8 | syl 14 | . 2 ⊢ (𝑅 ∈ Ring → {(0g‘(oppr‘𝑅))} ∈ 𝑈) |
| 10 | 4, 9 | eqeltrd 2306 | 1 ⊢ (𝑅 ∈ Ring → { 0 } ∈ 𝑈) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 {csn 3666 ‘cfv 5318 0gc0g 13304 Ringcrg 13974 opprcoppr 14045 LIdealclidl 14446 |
| 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-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-addass 8112 ax-i2m1 8115 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-pre-ltirr 8122 ax-pre-lttrn 8124 ax-pre-ltadd 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-tpos 6397 df-pnf 8194 df-mnf 8195 df-ltxr 8197 df-inn 9122 df-2 9180 df-3 9181 df-4 9182 df-5 9183 df-6 9184 df-7 9185 df-8 9186 df-ndx 13050 df-slot 13051 df-base 13053 df-sets 13054 df-iress 13055 df-plusg 13138 df-mulr 13139 df-sca 13141 df-vsca 13142 df-ip 13143 df-0g 13306 df-mgm 13404 df-sgrp 13450 df-mnd 13465 df-grp 13551 df-minusg 13552 df-subg 13722 df-mgp 13899 df-ur 13938 df-ring 13976 df-oppr 14046 df-subrg 14198 df-lmod 14268 df-lssm 14332 df-sra 14414 df-rgmod 14415 df-lidl 14448 |
| This theorem is referenced by: 2idl0 14491 |
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