Susan Stebbing’s Logical Interventionism

We examine a contribution L. Susan Stebbing made to the understanding of critical thinking and its relation formal logic. took expertise in logic authorise logical intervention public debate, specifically assessing validity everyday reasoning. She held, however, that is purely study form. Given problems ascertaining form any particular instance, does not always track informal validity, it difficult see how she could justify her belief interventionism. Her answer this problem we explore here. It involves view although logician’s sufficient assess arguments contexts on own, nevertheless plays unique role giving systematicity direction critique such arguments, particular, debate.