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| Mirrors > Home > ILE Home > Th. List > lringring | GIF version | ||
| Description: A local ring is a ring. (Contributed by Jim Kingdon, 20-Feb-2025.) (Revised by SN, 23-Feb-2025.) |
| Ref | Expression |
|---|---|
| lringring | ⊢ (𝑅 ∈ LRing → 𝑅 ∈ Ring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lringnzr 13759 | . 2 ⊢ (𝑅 ∈ LRing → 𝑅 ∈ NzRing) | |
| 2 | nzrring 13749 | . 2 ⊢ (𝑅 ∈ NzRing → 𝑅 ∈ Ring) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝑅 ∈ LRing → 𝑅 ∈ Ring) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2167 Ringcrg 13562 NzRingcnzr 13745 LRingclring 13756 |
| 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-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 |
| This theorem depends on definitions: df-bi 117 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-rab 2484 df-in 3163 df-ss 3170 df-nzr 13746 df-lring 13757 |
| This theorem is referenced by: lringuplu 13762 aprcotr 13851 aprap 13852 |
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