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In the world of logic puzzles, it is understood that a "liar" never makes a true statement, and that "vacuously true" statements are false.
by fortran77 2y ago
In the world of logic puzzles, it is understood that a "liar" never makes a true statement, and that "vacuously true" statements are false.
- dingaling 2y agoWhich seems to be an untenable premise. "I never make a true statement" says the liar.
- latexr 2y ago> "I never make a true statement" says the liar. I’ve never seen one of this puzzles phrasing it like that. With good reason, that would break the puzzle.
- JadeNB 2y ago> In the world of logic puzzles, it is understood that a "liar" never makes a true statement, and that "vacuously true" statements are false. I agree with the first stipulation, but, outside of Lewis Carroll's puzzles, I think that the second isn't true. For example, I believe you'll find just the opposite in Raymond Smullyan's books.