 A variety of actions—say, remembering to check the car’s blindspot when reversing—can be intelligent even though they are not intentional. Or one might manifest intelligence through processes—e.g., by coming to understand a difficult proposition, without them even being actions. If one accepts that intelligent performances, whether intentional or not, are necessarily guided by knowledge-how, one might try to recast the regress argument by replacing AP with IPP (Weatherson 2017): 