primitive ringprimitive rootprimitive roots of unityprimitive statementprimitive statementsprimitive termsprimsmatic surfaceprincipalprincipal amountprincipal angleprincipal argumentprincipal automorphismprincipal axes of quadric surfaceprincipal axisprincipal axis of a conicprincipal branchprincipal branch of a functionprincipal component analysisprincipal component methodprincipal curvationprincipal curvatureprincipal diagonalprincipal diagonal of a matrixprincipal directionprincipal directions of a surfaceprincipal divisorprincipal fiber bundleprincipal idealprincipal ideal domainprincipal ideal ringprincipal idealsprincipal infinitely smallprincipal logarithmprincipal matrixprincipal minorprincipal normalprincipal partprincipal part of a triangleprincipal part of functionprincipal periodprincipal planes of a quadric surfaceprincipal pointprincipal primeprincipal remainderprincipal rootprincipal root of a numberprincipal sectionsprincipal square rootprincipal subspaceprincipal term
