There are obvious benefits to be gained from the study of logic: heightened ability to express ideas clearly and concisely, increased skill in defining one's terms, enlarged capacity to formulate arguments rigorously and to analyze them critically. But the greatest benefit, in my judgment, is the recognition that reason can be applied in every aspect of human affairs.

This is a textbook for teachers that demonstrates how philosophical thinking can be used in teaching children.

The contributions in the first part Re-modelling logic of this volume take account of formal logic in the theory of rational argumentation.