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Results tagged with logical-deduction
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user 89639
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).
27
votes
3
answers
1k
views
Leaders and Rulers
There is a population of people (finite or infinite). Any group of people (finite or infinite) in this population has someone assigned to be in charge of them. So someone is in charge of the whole p …
- 718
9
votes
1
answer
301
views
Communicate square on a 3-by-3 grid by flipping precisely one of 13 coins
A coin is placed on each of the $13$ squares in the following diagram:
Each coin may be showing heads or tails arbitrarily. An adversary points to a square in the $3\times 3$ grid. You must communi …
- 718