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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 13085 | . . 3 ⊢ (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ) | |
| 4 | basendxnmulrndx 13162 | . . 3 ⊢ (Base‘ndx) ≠ (.r‘ndx) | |
| 5 | 2, 3, 4 | opprsllem 14032 | . 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 5317 Basecbs 13027 opprcoppr 14025 |
| 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 4201 ax-nul 4209 ax-pow 4257 ax-pr 4292 ax-un 4523 ax-setind 4628 ax-cnex 8086 ax-resscn 8087 ax-1cn 8088 ax-1re 8089 ax-icn 8090 ax-addcl 8091 ax-addrcl 8092 ax-mulcl 8093 ax-addcom 8095 ax-addass 8097 ax-i2m1 8100 ax-0lt1 8101 ax-0id 8103 ax-rnegex 8104 ax-pre-ltirr 8107 ax-pre-lttrn 8109 ax-pre-ltadd 8111 |
| 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 3888 df-int 3923 df-br 4083 df-opab 4145 df-mpt 4146 df-id 4383 df-xp 4724 df-rel 4725 df-cnv 4726 df-co 4727 df-dm 4728 df-rn 4729 df-res 4730 df-ima 4731 df-iota 5277 df-fun 5319 df-fn 5320 df-fv 5325 df-ov 6003 df-oprab 6004 df-mpo 6005 df-tpos 6389 df-pnf 8179 df-mnf 8180 df-ltxr 8182 df-inn 9107 df-2 9165 df-3 9166 df-ndx 13030 df-slot 13031 df-base 13033 df-sets 13034 df-mulr 13119 df-oppr 14026 |
| This theorem is referenced by: opprrng 14035 opprrngbg 14036 opprring 14037 opprringbg 14038 oppr0g 14039 oppr1g 14040 opprnegg 14041 opprsubgg 14042 mulgass3 14043 1unit 14065 opprunitd 14068 crngunit 14069 unitmulcl 14071 unitgrp 14074 unitnegcl 14088 unitpropdg 14106 rhmopp 14134 elrhmunit 14135 subrguss 14194 subrgunit 14197 opprdomnbg 14232 isridlrng 14440 isridl 14462 ridl1 14469 2idlcpblrng 14481 crngridl 14488 |
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