simple past tense and past participle of postulate

The act of postulating or something postulated. / (logic) Something self-evident that can be assumed as the basis of an argument. / (obsolete) The act of claiming for oneself; solicitation.

plural of postulation

plural of postulator

A person who postulates something as the basis of an argument. / A Roman Catholic official who makes the case for the beatification or canonization of a proposed saint.

(usually physics) Derived from axioms or first principles.

plural of parallel postulate

(geometry) An axiom of Euclidean geometry equivalent to the statement that, given a straight line L and a point P not on the line, there exists exactly one straight line parallel to L that passes through P; a variant of this axiom, such that the number of lines parallel to L that pass through P may be zero or more than one.

plural of Koch's postulate

Any of four criteria designed to establish a causative relationship between a microbe and a disease: (i) the microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms; (ii) it must be isolated from a diseased organism and grown in pure culture; (iii) the cultured microorganism should cause disease when introduced into a healthy organism; (iv) the microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.