Suffix Notation (Reverse Polish Notation)
Suffix notation, also known as reverse Polish notation (RPN), places operators after…
Substructural Logic
Substructural logics are non-classical systems that alter or remove structural rules of…
Substitution Instance in Logic
A substitution instance is the result of replacing variables in a well-formed…
Substitution in Logic
Substitution is the fundamental act of replacing variables or expressions in logical…
Sublogic: Understanding Subset Logical Systems
A sublogic is a logical system that forms a subset of a…
Structural Rule in Logic
A structural rule in logic, particularly proof theory, governs the manipulation of…
Strongly Connected Relations
A relation R is strongly connected if for any two elements x…
Strong Mathematical Induction
Strong induction strengthens the inductive hypothesis, allowing the assumption that the proposition…
Strong Kleene Connectives
Strong Kleene connectives are logical operators in three-valued logic designed by Stephen…
S-M-N Theorem
A cornerstone of computable function theory, the S-M-N theorem offers a way…