From the clue in cell 8, we know that cell 18 is c. We also know that the corner cells contain E, I, O and U. The letter E must be in the fifth column, since there is only one step between C and E ...

The aim of this quiz is to place Xs and Os correctly into each cell on the 3×3 grid, as in a tic-tac-toe game ... Knowing the rules of tic-tac-toe, we can fill in the remaining squares using just ...

As well as classic grid puzzles in various sizes, the magazine also includes other popular logical puzzles including Enigma (the formation of logical trails), Hanjie (the puzzle of pixelated ...

In this week’s News Quiz, Trump staffs up, Mattel makes a mistake and Elon Musk starts a late-night beef.

Abstract: In this paper we describe a complex information processing system, which we call the logic theory machine, that is capable of discovering proofs for theorems in symbolic logic. This system, ...

Sometimes you get these maths questions which are actually just giant tricks designed to bamboozle you unless you twig which ...

address and email address on the grid page. Please label your files LastName_PuzzleTitle for ease of editor review. Puzzle titles can be the theme revealers for daily themed puzzles or marquee ...

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