Diagonalization Lemma
A crucial lemma in Gödel's incompleteness theorems. It states that for any…
Deviant Logic: Exploring Alternative Systems
Deviant logic refers to logical systems that differ from classical logic. These…
Deterministic Turing Machine
A deterministic Turing machine (DTM) is a theoretical model of computation. For…
Deterministic Polynomial Time (P)
Deterministic Polynomial Time (P) is a complexity class for decision problems solvable…
Determiners: Defining Nouns and Noun Phrases
Determiners are crucial words like 'the', 'a', 'some', and 'every' that specify…
The Destructive Dilemma in Logic
A destructive dilemma is a logical argument form. It uses two conditional…
Designated Value in Logic
A designated value in logic functions similarly to truth in classical systems.…
Derivable Rule in Logic
A derivable rule is a logical rule that can be derived from…
Deontic Modal Logic
Deontic modal logic is a specialized field within modal logic that rigorously…
Denying the Antecedent
A logical fallacy where an argument incorrectly concludes the negation of the…