What is the definition of postulate?

Question

A.
an assumption, presumed to be true, that is used as the basis for a logical argument
B.
a statement that has been shown to be true by logical argument
C.
a statement that has been shown to be false by logical argument
D.
a statement, known to be false, that is used as the basis for a logical argument

Answer 1

A. an assumption, presumed to be true, that is used as the basis for a logical argument