Chapter 13

What is deductive reasoning? What does it mean to say that the conclusion to a syllogism is "valid"? How can a conclusion be valid but not true? True but not valid?

What is a categorical syllogism? What is the difference between validity and truth in categorical syllogisms?

What do the results of experiments that have used real-life versions of the Wason fourcard problem indicate about how knowledge of regulations and permission schemas may be involved in solving this problem?

What would Donders learn if he were to visit a modern cognitive psychology laboratory?