chapter  3
31 Pages


Categories of performative language and rules match modes of reasoning. I support this assertion by further consideration of the question of "direction of fit," introduced in the preceding chapter, and by a constructivist demonstration that modes of reasoning arise from longstanding human practices situated in generally present material circumstances. I argue more particularly that "ancestral institutions," and not logic or genes, make modes of reasoning what they are. Reasoning takes practice; cognition is conduct.!