Description: A topological ring is a topological space. (Contributed by Mario Carneiro, 5-Oct-2015)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | trgtps | ⊢ ( 𝑅 ∈ TopRing → 𝑅 ∈ TopSp ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | trgtgp | ⊢ ( 𝑅 ∈ TopRing → 𝑅 ∈ TopGrp ) | |
| 2 | tgptps | ⊢ ( 𝑅 ∈ TopGrp → 𝑅 ∈ TopSp ) | |
| 3 | 1 2 | syl | ⊢ ( 𝑅 ∈ TopRing → 𝑅 ∈ TopSp ) |