Evaluation Relation
An evaluation relation defines how the value of an expression is determined.…
Weak Counterexample in Intuitionistic Logic
A weak counterexample in intuitionistic logic signifies a lack of positive evidence…
Three-Valued Logic
Explore three-valued logic, which expands beyond traditional true/false to include a third…
Substructural Logic
Substructural logics are non-classical systems that alter or remove structural rules of…
Sublogic: Understanding Subset Logical Systems
A sublogic is a logical system that forms a subset of a…
Strong Kleene Connectives
Strong Kleene connectives are logical operators in three-valued logic designed by Stephen…
S4 Modal Logic System
S4 is a modal logic system defined by reflexivity and transitivity axioms…
Predicate Functor Logic
A powerful logical system merging predicate logic with functors. It enhances the…
Normal Form in Logic
A standardized method for structuring logical formulas like CNF or DNF. Normal…