Good evening. Hypergraphs can be drawn by representing each vertex as a point in the plane and each hyperedge as a closed curve that contains the points corresponding to the vertices that belong to ...
The effective topos is a well known universe of sets suitable for abstract computability, as it is build "from the ground up" via the classical notion of realisability by Kleene. I have found a few ...
In this post about the difference between the recursive and effective topos, Andrej Bauer said: If you are looking for a deeper explanation, then perhaps it is fair to say that the Recursive Topos ...