A community-college registration planner receives this from an LLM: “If the waitlist is full, night labs close; night labs are closed; therefore the waitlist is full.” Which defect type is this?
Select an answer to reveal the explanation.
Short Explanation
Reversing an if-then is like blaming the empty parking lot for the store being closed. The model mangled logic—that is a reasoning error, not an invented extra feature.
Full Explanation
Reasoning errors are failures of logical structure, such as faulty cause-and-effect or mishandled conditionals. They differ from hallucinations that invent content absent from the basis. Multi-step planning and rule chains are especially prone to these pattern-matching failures.