An avid puzzler, Carroll created the word ladder puzzle, which he called "Doublets", which was published in Vanity Fair magazine between 1879 and 1881. In 1982 a memorial stone to …

In 2020, more than 600 crossword constructors and solvers signed an open letter to the NYT executive director of puzzles, asking him to address systemic biases against women and …

Maze generation is the act of designing the layout of passages and walls within a maze. There are many different approaches to generating mazes, with various maze generation algorithms for …

List of Martin Gardner Mathematical Games columnsOver a period of 24 years (January 1957 – December 1980), Martin Gardner wrote 288 consecutive monthly "Mathematical Games" …

Non-deductive reasoning is an important form of logical reasoning besides deductive reasoning. It happens in the form of inferences drawn from premises to reach and support a conclusion, just …

Examples In mechanical systems, the position coordinates and velocities of mechanical parts are typical state variables; knowing these, it is possible to determine the future state of the objects …

Article Three empowers the courts to handle cases or controversies arising under federal law, as well as other enumerated areas. Article Three also defines treason. Section 1 of Article Three …

Alice chess rules can be adopted by practically any other chess variant too, by simply doubling the number of gameboards in the variant and applying the piece transfer policy (for example, …