The Successor Function in Arithmetic and Logic
The successor function, denoted S(n) = n + 1, is a foundational…
Subtheory: Understanding Theories Within Theories
A subtheory is a specialized theory nested within a broader one. It…
Substitutional Quantifier
A substitutional quantifier ranges over expressions or names, not objects. It's crucial…
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…
Subordinate Connective in Logic
A subordinate connective is a logical operator appearing within the scope of…
Subjunctive Conditional Statements
Explore hypothetical situations and their consequences with subjunctive conditionals. These statements describe…
Subject Term in Categorical Propositions
The subject term is the element in a categorical proposition about which…
Subcontrary: Understanding the Logic of Statements
Subcontrary statements share a unique logical relationship where they can both be…