?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=How+to+Refute+Principles+of+Sufficient+Reason&rft.creator=Post%2C+John+F.&rft.subject=Epistemology&rft.subject=Logic&rft.subject=Metaphysics&rft.subject=Metaphysics&rft.subject=Philosophy+of+Science&rft.description=Outlines+a+conceptual+argument+against+the+Principle+of+Sufficient+reason.+The+argument+is+presented+in+detail+in+earlier+work%2C+and+is+based+on+deductive+inferences+from+PSR's+own+concept+of+explanation.+The+argument+shows+that+not+everything+can+have+an+explanation+of+the+sort+claimed+by+PSR.+So+far+from+being+a+presupposition+of+reason+itself%2C+as+some+think%2C+PSR+can+be+refuted+by+reason%2C+arguing+only+from+PSR's+own+concept+of+explanation.+Hence+PSR+cannot+be+used+to+argue+that+there+must+be+some+explanation+or+reason+for+existence%2C+invisible+at+least+to+science%2C+or+that+because+we+do+not+or+cannot+know+the+explanation%2C+there+must+be+irreducible+mystery+about+why+there+is+anything+at+all+rather+than+nothing%2C+including+why+there+was+a+Big+Bang+in+the+first+place.&rft.date=1999&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F390%2F1%2Fpsrcogprt.htm&rft.identifier=++Post%2C+John+F.++(1999)+How+to+Refute+Principles+of+Sufficient+Reason.++%5BPreprint%5D++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F390%2F