S4 Modal Logic System
S4 is a modal logic system defined by reflexivity and transitivity axioms…
Normal Modal Logic
Normal modal logic is a foundational system in logic that incorporates rules…
Kripke Structure: Modeling States and Transitions
A Kripke structure is a mathematical model representing systems with multiple states…
Kripke Semantics
A formal framework for modal logic using possible worlds. Developed by Saul…