Blog posts

2023

A not not Brief Introduction to Kripke Semantics for Propositional Intuitionistic Logic

24 minute read

Published:

In this post we motivate the study of Kripke semantics for propositional intuitionistic logic by showing fundamental properties at the proof theory level using \(n+1\)-valued logics. Some non-theorems of propositional intuitionistic logic (like the excludded middle principle) are discussed using this approach.