Free practice · boolean · easy
Practice
Draw a guaranteed conclusion
All team managers completed training. Leena is a team manager. Therefore, Leena completed training.
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.