Peter Vickers examines 'inconsistent theories' in the history of science-theories which, though contradictory, are held to be extremely useful. He argues that these 'theories' are actually significantly different entities, and warns that the traditional goal of philosophy to make substantial, genera[...]

WJEC Information and Communication Technology GCSE Student's Book supports WJEC's new specification. Written and edited by highly experienced senior examiners and teachers, the text covers the examined and controlled assessment units of the course:[...]