ABSTRACT

Wigner.'Objectiverealityhasevaporated',wroteHeisenberg. 2AsBertrandRussellputsit:'Ithasbeguntoseemthatmatter,liketheCheshire Cat,isbecominggraduallydiaphanousuntilnothingofitisleftbutthe grin,caused,presumably,byamusementatthosewhostillthinkitis there.' 3

Myremarksonthehistoryofthoughtwillbeverysketchy.Thiswouldbe unavoidableeveniftellingthestoryweremymainpurpose;butitisnot. Mymainpurposeistomakethepresentproblemsituationconcerningthe relationofmindandbodybetterunderstandablebyshowinghowitarose outofearlierattemptstosolveproblems-andnotonlythemind-body problem.Incidentally,itshouldillustratemythesisthathistoryoughtto bewrittenasahistoryofproblemsituations.4