Description: A locally A space is n-locally A . (Contributed by Mario Carneiro, 2-Mar-2015)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | llyssnlly | ⊢ Locally 𝐴 ⊆ 𝑛-Locally 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | llynlly | ⊢ ( 𝑗 ∈ Locally 𝐴 → 𝑗 ∈ 𝑛-Locally 𝐴 ) | |
| 2 | 1 | ssriv | ⊢ Locally 𝐴 ⊆ 𝑛-Locally 𝐴 |