A biconditional statement in logic connects two propositions, asserting that they are true if and only if they have the…
An atomic sentence is a fundamental statement in logic and linguistics, devoid of logical connectives or quantifiers. It expresses a…
An atomic formula is the most basic building block in formal logic. It's a predicate symbol applied to a sequence…
Assertion is a fundamental principle in logic, also known as pseudo modus ponens. It states that if A is true…
Aristotle's theses, specifically ¬(¬A → A) and ¬(A → ¬A), are key formulas in propositional logic. They are theorems in…
An affirmative proposition asserts the truth of a statement, affirming a quality or relation. It contrasts with a negative proposition,…
The addition rule in formal logic allows inferring a disjunction from a single proposition. It states that if P is…
The absorption law states that if P implies Q, then adding a conjunction R to P does not alter the…
An A-proposition, a type of categorical proposition, asserts that all members of the subject category are included in the predicate…
A tautology is a statement or formula that is true in every possible interpretation. It's a fundamental concept in logic,…