BalanceYan

TopologicalSpaces

ContinuousFunctions

This paper presents the formalization of continuous functions in topological spaces using the Coq proof assistant.

CT.Yang

This file realized the mechanized proof of C.T.Yang's Theorem in General Topology by Coq

Equivalence_Topologies

We describe the formalization of the equivalence among topologies in the Coq theorem prover.

GIS_topology

TopologicalRel

We present a formal system of topological spatial relations using the Coq theorem prover.