A substitutional quantifier ranges over expressions or names, not objects. It's crucial in theories of reference and meaning, offering a…
A substitution instance is the result of replacing variables in a well-formed formula with other formulas. Each variable must be…
Substitution is the fundamental act of replacing variables or expressions in logical formulas with others. It's crucial for maintaining logical…
A subordinate connective is a logical operator appearing within the scope of another logical operator in a compound proposition. It…
A sublogic is a logical system that forms a subset of a more extensive logic. It preserves certain operations and…
Explore hypothetical situations and their consequences with subjunctive conditionals. These statements describe what would be true if a contrary-to-fact antecedent…
The subject term is the element in a categorical proposition about which something is stated. It forms the first part…
A subformula is a constituent part of a larger logical formula, sharing its own well-formed structure. Understanding subformulas is crucial…
Subcontrary statements share a unique logical relationship where they can both be true but never both false simultaneously. Explore this…
Subcontraries are two particular statements in traditional logic that cannot both be false. They can both be true, but not…