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Search options not deleted user 1682

A puzzle that requires formal logical deduction to arrive at the solution. This suggests more than merely reasoning through clues to find an answer (you might want [situation] for that).

3 votes

Answer this question with exactly one correct answer

We know that it cannot be Option 3 because it doesn't include Option 1 but does include Option 2 which does include Option 1. For Option 3 to be valid it would have to include Option 1. We know it c …
Adam Davis's user avatar
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2 votes

Contradictional Ceremony Puzzle

Austin (Mike’s friend): "I didn’t murder Mike! Take a suspicion on Daniel, he is jealous for the wedding!" Daniel (Cindy’s friend): "Ah, yes, I AM jealous for the wedding though because I do fall in …
Adam Davis's user avatar
  • 1,587
0 votes

A tiny question: The little big family

3-4
Adam Davis's user avatar
  • 1,587
13 votes

3 Logicians Walk Into a Bar

We'll name the logicians A, B, and C to simplify. If A wants a drink, A doesn't yet know whether B and C want a drink. Thus A cannot answer "yes". If A does not want a drink, A would say "no" becau …
Adam Davis's user avatar
  • 1,587