Have you ever wondered why some people seem to get rich easily, while others are destined for a life of financial struggle? Is the difference found in their education, intelligence, skills, timing, work habits, contacts, luck, or...

Ancient soils contain vital mineralogical, geochemical, textural, and paleontological information about the continental environments in...

This text attempts to change the way we teach logic to beginning students. Instead of teaching logic as a subject in isolation, we regard it as a basic tool and show how to use it. We strive to give students a skill in the propositional and predicate calculi and then to exercise that skill thoroughly in applications that arise in computer...