Logic puzzles have been popular for as long as we can remember, and they're a great way to have some fun with your kids while using your brain and staying away from a screen. Print out a few for a ...

Apple Computer is out in full force at the NAMM music show being held this week in Anaheim, Calif. Highlights of the company’s booth — which is modeled after a large Logic Pro box — are its ...

The quantified extension of a canonical propositional intermediate logic is complete with respect to the generalization of Kripke semantics taking into consideration set-valued functors defined on a ...