Peter K. Schotch is Emeritus Munro Professor of Metaphysics at Dalhousie University in Halifax, Nova Scotia, Canada. He is co-founder of the Canadian School of paraconsistency known as perservationism, and has written papers in many areas of philosophical logic particularly many valued logic and epistemic & deontic logic.

This collection contains papers written by Peter's students and colleagues who have been associated with him during his forty-plus years of philosophical enquiry.

It covers topics such as: the uses of probable and statistical reasoning, rational choice theory, reasoning in the environmental sciences, reasoning about laws and changes of rules, and reasoning about collective decision procedures as well as about action.