What is evolution? Few ideas are more controversial - and more misunderstood - than the biological theory of evolution. But it's also the case that, as a great scientist once said, Nothing in biology makes sense except in the light of evolution. So, if students want to truly understand biology in all of its forms, they will need to understand what evolution - the scientific idea - is. This volume in the Greenwood Guides to Great Ideas in Science series enables the reader to learn what evolution is by charting the course of the ideas of biological change from the ancient time to the...

Paraconsistent logic is a theory of reasoning in philosophy that studies inconsistent data. The discipline has several different schools of thought, including preservationism, which responds to the problems that arise when human beings continue to reason when faced with inconsistent data. On Preserving is the first complete account of the Preservationist School, which developed in Canada out of the early work of Raymond Jennings, Peter Schotch, and their students.

Assembling the previously scattered works of the Preservationist School, this collection contains all of the most...