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Practice
Match the parts of a deduction
Match each reasoning part to its role in a deductive argument.
Deduction chain
Preserve direction from premises to conclusion
- PremisesSeparate facts and rules
- DirectionMark if, only, all, and some
- ConnectLink matching terms
- ChallengeTry a counterexample
- ConcludeState only what is guaranteed
A guaranteed conclusion follows only when stated facts activate rules in their written direction and no counterexample survives.