Free practice · boolean · easy
Practice
Spot a direct contradiction
For the same record and time, 'the request is closed' and 'the request is not closed' cannot both be correct.
Reasoning quality screen
Normalize scope before calling two statements inconsistent
- Scope
- Same subject, time, unit, and definition
- Conflict
- Claims that cannot coexist
- Ambiguity
- Words with multiple operational meanings
- Context
- Base rate and source population
- Challenge
- Disconfirming evidence and alternatives
Contradictions, ambiguity, missing base rates, selection effects, and confirmation bias require different checks.