modus tollens

Deductive Mood

Deductive mood refers to the mental state or disposition that favors or engages in deductive reasoning. It involves a focus…

3 days ago

Rule of Inference

A rule of inference is a logical structure that allows deriving a conclusion from a set of premises. It's fundamental…

4 days ago

Modus Tollens

Modus Tollens is a fundamental rule of inference in logic. It states that if a conditional statement is true, and…

4 days ago

Logic of Conditionals

The logic of conditionals explores the structure and validity of 'if-then' statements. It's fundamental to reasoning, argumentation, and formal systems,…

4 days ago

Hypothetical Syllogism

A hypothetical syllogism is a logical argument with two conditional statements and a conclusion. It establishes a relationship between the…

4 days ago

Denying the Antecedent

A logical fallacy where an argument incorrectly concludes the negation of the consequent from the negation of the antecedent. It's…

4 days ago