Keep Things in Perspective: Reasons, Rationality and the a Priori

Factualism is a view about normative reasons. 2 A normative reason for acting is a consideration which favours performing an action, perhaps by revealing a respect in which so acting is good or right. A reason, so understood, can be pro tanto. A pro tanto reason has a weight and (so) can be weighed against or alongside other reasons. For example, that a new Coen brothers’ film is showing might be a pro tanto reason for Hayley to go to the cinema but