Dialetheism posits that some statements can be both true and false simultaneously. This radical view challenges classical logic's principle of…
Deviant logic refers to logical systems that differ from classical logic. These systems explore alternative rules and structures, offering new…
A destructive dilemma is a logical argument form. It uses two conditional statements and negates their consequents to disprove at…
A designated value in logic functions similarly to truth in classical systems. It ensures that if premises hold a designated…
A derivable rule is a logical rule that can be derived from the existing axioms and inference rules of a…
Deontic modal logic is a specialized field within modal logic that rigorously examines concepts of obligation, permission, and prohibition. It…
A logical fallacy where an argument incorrectly concludes the negation of the consequent from the negation of the antecedent. It's…
De Morgan's rules provide two fundamental laws for transforming negated logical expressions. They state that the negation of a conjunction…
A De Morgan negation is a fundamental logical operator characterized by its adherence to double negation elimination. It asserts that…
Deflationism posits that 'true' has no substantive property. Its role is primarily linguistic, enabling assertions and endorsements without implying a…