A term is distributed in a categorical proposition when the statement refers to all members of the class designated by…
A valid deductive argument form where if a disjunction (P or Q) is true and one disjunct (P) is false,…
Disjunctive Normal Form (DNF) is a standardized way to represent logical formulas. It expresses a formula as a disjunction (OR)…
The disjunction property in intuitionistic logic asserts that if a statement P or Q is provable, then either P alone…
A disjunct is one of the component propositions within a disjunction. Each disjunct represents an alternative to the others, forming…
Dilution in logic weakens a statement by adding disjunctive clauses. These additions don't change the original statement's truth value, making…
Dialetheism posits that some statements can be both true and false simultaneously. This radical view challenges classical logic's principle of…
A destructive dilemma is a logical argument form. It uses two conditional statements and negates their consequents to disprove at…
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…