LogicDrill
Sharpen your formal logic. Identify the valid inference rule, one question at a time.
Rules covered
- Modus Ponens / Tollens
- Hypothetical & Disjunctive Syllogism
- Conjunction / Disjunction rules
- Double Negation & Contrapositive
- Biconditional
- Constructive & Destructive Dilemma
- De Morgan, Exportation, Absorption
- Material Implication
- Multi-step derivations
- Spotting fallacies