Hypothetical Syllogism
A hypothetical syllogism is a logical argument with two conditional statements and…
Disjunction Elimination
Disjunction elimination, also known as proof by cases, is a fundamental rule…
The Destructive Dilemma in Logic
A destructive dilemma is a logical argument form. It uses two conditional…
Counternecessary Conditional
A conditional statement exploring hypothetical scenarios against a backdrop of necessary truths.…
Counterfactual Logic
Counterfactual logic explores conditional statements about what would have happened if something…
Counterfactual Conditional
A counterfactual conditional is an 'if...then...' statement about something that did not…
Contrapositive in Logic
The contrapositive of a conditional statement logically equivalent. It involves swapping and…