Logic is a system of reasoning, it is the art of applying reasoning to the structure and content, the method of deduction.In my humble opinion the grandfather of the modern logic puzzle would have to be none other than Charles Lutwidge Dodgson, (MoreLogic is a system of reasoning, it is the art of applying reasoning to the structure and content, the method of deduction.In my humble opinion the grandfather of the modern logic puzzle would have to be none other than Charles Lutwidge Dodgson, ( who you might know better as Lewis Carroll , author of Alice In Wonderland ).In his book The Game of Logic Carroll 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 wellIncluded in this logic puzzle book you will find many examples of modern logic deduction puzzles including : Grid , Grid-less ( table ), Hidden meaning, Mazes, Rebus and Syllogisms puzzles.