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| Mirrors > Home > ILE Home > Th. List > opprbasg | GIF version | ||
| Description: Base set of an opposite ring. (Contributed by Mario Carneiro, 1-Dec-2014.) (Proof shortened by AV, 6-Nov-2024.) |
| Ref | Expression |
|---|---|
| opprbas.1 | ⊢ 𝑂 = (oppr‘𝑅) |
| opprbas.2 | ⊢ 𝐵 = (Base‘𝑅) |
| Ref | Expression |
|---|---|
| opprbasg | ⊢ (𝑅 ∈ 𝑉 → 𝐵 = (Base‘𝑂)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opprbas.2 | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | opprbas.1 | . . 3 ⊢ 𝑂 = (oppr‘𝑅) | |
| 3 | baseslid 13105 | . . 3 ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) | |
| 4 | basendxnmulrndx 13182 | . . 3 ⊢ (Base‘ndx) ≠ (.r‘ndx) | |
| 5 | 2, 3, 4 | opprsllem 14052 | . 2 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) = (Base‘𝑂)) |
| 6 | 1, 5 | eqtrid 2274 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝐵 = (Base‘𝑂)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 ‘cfv 5318 Basecbs 13047 opprcoppr 14045 |
| 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-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-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-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-fv 5326 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-ndx 13050 df-slot 13051 df-base 13053 df-sets 13054 df-mulr 13139 df-oppr 14046 |
| This theorem is referenced by: opprrng 14055 opprrngbg 14056 opprring 14057 opprringbg 14058 oppr0g 14059 oppr1g 14060 opprnegg 14061 opprsubgg 14062 mulgass3 14063 1unit 14086 opprunitd 14089 crngunit 14090 unitmulcl 14092 unitgrp 14095 unitnegcl 14109 unitpropdg 14127 rhmopp 14155 elrhmunit 14156 subrguss 14215 subrgunit 14218 opprdomnbg 14253 isridlrng 14461 isridl 14483 ridl1 14490 2idlcpblrng 14502 crngridl 14509 |
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