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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 13725 | . 2 ⊢ (𝑅 ∈ LRing → 𝑅 ∈ NzRing) | |
2 | nzrring 13715 | . 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 13528 NzRingcnzr 13711 LRingclring 13722 |
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 13712 df-lring 13723 |
This theorem is referenced by: lringuplu 13728 aprcotr 13817 aprap 13818 |
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