Exercises with which to explore the different uses of the words "good" and "bad".
An exercise to explore the concepts 'right' and 'duty' and the connections between them.
A story that challenges children to argue for alternative ways of doing things in an imaginary land.
Exercises with which to reflect on the logical, causal and imaginative uses of the word "if".
Six exercises to introduce the notions of relevance, strength and sense with which to evaluate reasons.