prefaceprefered actionpreferencepreference analysispreference shareprefixprefix notationprehilbertianpreimagepreimaginepreliminariespreliminarypreliminary difinitionpreliminary yieldpreload double nutpreloadingpremisepremisespremisspremiumpremultipliedpreorderpreorderingpreordering relationprepaidprepaid expensepreparationprependicularprerequisiteprerihelionprescribedprescribed valuespresencepresentpresent valuepresentationpreservationpresettingpresheafpresque partoutpressurepresupposepresupposedpresuppositionspretestprevention rulepreventive costspreventive group replacementpreventive inspectionpreventive maintenance