T0s
T0s is a term used in several disciplines, and its meaning depends on the context. Most commonly, it appears in topology as T0 spaces and in formal language theory as Type-0 grammars. Each usage relates to a different concept about distinction or abstraction within its field.
In topology, a T0 space is a topological space that satisfies the Kolmogorov separation axiom: for any
In formal language theory, Type-0 grammars (often referred to as unrestricted grammars) represent the most general
Because T0s can refer to different concepts, specifying the field is important for accurate interpretation.