?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Logical+openness+in+Cognitive+Models&rft.creator=Licata%2C+Prof.+Ignazio&rft.subject=Epistemology&rft.subject=Complexity+Theory&rft.subject=Dynamical+Systems&rft.subject=Philosophy+of+Mind&rft.subject=Philosophy+of+Science&rft.subject=Neural+Modelling&rft.subject=Neural+Nets&rft.subject=Artificial+Intelligence&rft.description=+++It+is+here+proposed+an+analysis+of+symbolic+and+sub-symbolic+models+for+studying+cognitive+processes%2C+centered+on+emergence+and+logical+openness+notions.+The+Theory+of+logical+openness+connects+the+Physics+of+system%2Fenvironment+relationships+to+the+system+informational+structure.+In++this+theory%2C+cognitive+models+can+be+ordered+according+to+a+hierarchy+of+complexity+depending+on+their+logical+openness+degree%2C+and+their+descriptive+limits+are+correlated+to+G%C3%B6del-Turing+Theorems+on+formal+systems.+The+symbolic+models+with+low+logical+openness+describe+cognition+by+means+of+semantics+which+fix+the+system%2Fenvironment+relationship+(cognition+in+vitro)%2C+while+the+sub-symbolic+ones+with+high+logical+openness+tends+to+seize+its+evolutive+dynamics+(cognition+in+vivo).+An+observer+is+defined+as+a+system+with+high+logical+openness.+In+conclusion%2C+the+characteristic+processes+of+intrinsic+emergence+typical+of+%E2%80%9Cbio-logic%E2%80%9D+-+emerging+of+new+codes-require+an+alternative+model+to+Turing-computation%2C+the+natural+or+bio-morphic+computation%2C+whose+essential+features+we+are+going+here+to+outline.&rft.publisher=Tilgher&rft.date=2008&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6638%2F1%2FEP_Licata.pdf&rft.identifier=++Licata%2C+Prof.+Ignazio++(2008)+Logical+openness+in+Cognitive+Models.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6638%2F