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I think the puzzle is better if the person "only speaks falsehoods" than if they "always lie" - depending on context, a true statement can be a lie.
by dllthomas 2y ago
I think the puzzle is better if the person "only speaks falsehoods" than if they "always lie" - depending on context, a true statement can be a lie.
- aftbit 2y agoThis is called out in the article: >Note: this question was originally set in a maths exam, so the answer assumes some basic assumptions about formal logic. A liar is someone who only says false statements.
- dllthomas 2y agoYeah, my comment was just a suggestion that that wording be imported into the question, rather than living in a clarification.