 ##  [Accessible Point](/accessible-point) 

  ##  [Accessible Point](https://puremath.quantumdictionary.io/accessible-point-0) 

  

 [![Pure Mathematics Dictionary](/sites/default/files/styles/large/public/2026-01/Pure%20Mathematics.png.webp?itok=5pZnFQ59)](/topic-specific-dictionaries/mathematics-logic/pure-mathematics)

- Mathematics &amp; Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A boundary point x of a domain D (typically an open connected subset of a metric or topological space) for which there exists a continuous injective map γ : [0,1] → D with γ(0) in D and γ(1) = x, i.e. x is the endpoint in the closure of D of a simple arc lying entirely in D.