Equivocation: The Fallacy of Double Meanings
Equivocation is a logical fallacy where a word with multiple meanings is…
Double Turnstile Symbol (⊨) in Logic
The double turnstile (⊨) symbol signifies semantic entailment or logical consequence. It…
Double Negation Introduction
The principle of double negation introduction states that for any proposition P,…
Double Negation Elimination
Double negation elimination is a core principle in classical logic. It states…