Revised entry by Robert M. Gordon on June 22, 2009. Changes to: Main text, Bibliography] The simulation (or, "mental simulation") theory (ST) is a theory of everyday human psychological competence: that is, of the skills and resources people routinely call

Revised entry by Paul Pietroski on June 22, 2009. Changes to: Main text, Bibliography] Some inferences are impeccable. Examples like (1 - 3) illustrate reasoning that cannot lead from true premises to false conclusions....