Collected Papers of Charles Sanders Peirce

according action actual admit appears applicable argument assertion belief body called cause certain chance character cognition color conception conclusion consciousness consequence consider consists continuity course criticism definition determined direct distinction doctrine doubt effect element essential example existence experience explain express fact feeling follows force further give given habit hand hold human hypothesis idea individual induction inference instant involves judgment kind knowledge less logic matter meaning merely metaphysics method mind nature never object observation opinion original particular perception person phenomena philosophy positive possible practical pragmatism premisses present principle probability proposition proved pure question reality reason reference regard relation represented result scientific seems sense simply space suppose term theory things third thought tion true truth universe whole