Help on query formulation
Sudoku, logic and proof. (English)
Parabola 47, No. 2, 3-12 (2011).
The article starts with some combinatorial basics of Sudoku. In the main part, the author describes and evaluates the mathematical logic and proof techniques used while solving a Sudoku puzzle.
Reviewer: Peter Dürr (Linkenheim)
Classification: E50 A20 U60
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