Logic puzzle might be present in lieu of a grid in a puzzle about the location of different shops. Logic puzzle A logic puzzle is a puzzle deriving from the mathematics field of deduction. The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better known under his pen name Lewis Carroll, the author of "Alice's Adventures in Wonderland". In his book "The Game of Logic" he introduced a game to solve problems such as confirming the conclusion "Some greyhounds are not fat" from the statements "No fat creatures run well" and "Some greyhounds run well". Puzzles like this, where
Neil Dodgson Neil Dodgson Neil Anthony Dodgson is Professor of Computer Graphics at the Victoria University of Wellington. He was previously (until 2016) Professor of Graphics and Imaging in the Computer Laboratory at the University of Cambridge in England, where he worked in the "Rainbow Group" on computer graphics and interaction. Dodgson graduated with a Bachelor of Science degree in Computer Science and Physics from Massey University in 1988 and subsequently worked there as a Junior Lecturer in Computer Science for one year. He was awarded a Cambridge Commonwealth Trust Prince of Wales Scholarship to study at the University of Cambridge, where