?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Abductive+reasoning%3A+Logic%2C+visual+thinking%2C+and+coherence&rft.creator=Thagard%2C+P.&rft.creator=Shelley%2C+C.+P.&rft.subject=Cognitive+Psychology&rft.subject=Artificial+Intelligence&rft.subject=Philosophy+of+Science&rft.description=This+paper+discusses+abductive+reasoning---that+is%2C+reasoning+in+which+explanatory+hypotheses+are+formed+and+evaluated.+First%2C+it+criticizes+two+recent+formal+logical+models+of+abduction.+An+adequate+formalization+would+have+to+take+into+account+the+following+aspects+of+abduction%3A+explanation+is+not+deduction%3B+hypotheses+are+layered%3B+abduction+is+sometimes+creative%3B+hypotheses+may+be+revolutionary%3B+completeness+is+elusive%3B+simplicity+is+complex%3B+and+abductive+reasoning+may+be+visual+and+non-sentential.+Second%2C+in+order+to+illustrate+visual+aspects+of+hypothesis+formation%2C+the+paper+describes+recent+work+on+visual+inference+in+archaeology.+Third%2C+in+connection+with+the+evaluation+of+explanatory+hypotheses%2C+the+paper+describes+recent+results+on+the+computation+of+coherence.&rft.publisher=Dordrecht%3A+Kluwer&rft.contributor=Chiara%2C+M-L.+Dalla&rft.date=1997&rft.type=Book+Chapter&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F671%2F1%2FFAbductive.html&rft.identifier=++Thagard%2C+P.+and+Shelley%2C+C.+P.++(1997)+Abductive+reasoning%3A+Logic%2C+visual+thinking%2C+and+coherence.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F671%2F