valid argument

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

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

The Destructive Dilemma in Logic

A destructive dilemma is a logical argument form. It uses two conditional statements and negates their consequents to disprove at…

4 days ago