We first extend Quine's method of eliminating the bound variables to first-order predicate logic with operation symbols ; then we give a device for eliminating also the free variables ; and finally we ...

Some months ago, I downloaded the Kodable app for my 4 year-old, which boasts that it can teach toddlers how to code before they can read. My programming skills are pretty basic, but I like the idea ...

Programs traditionally consist of a series of statements describing how to solve a problem. Declarative programs instead describe what problem to solve and what a solution would look like. The program ...

Mathematician George Boole died 150 years ago. Boolean logic, the system he invented, is still used in modern computer programming, writes Chris Stokel-Walker. Boole walked two miles to the lecture ...