FOOTNOTES:
[35] A propositional function is an expression containing a variable, or undetermined constituent, and becoming a proposition as soon as a definite value is assigned to the variable. Examples are: "A is A," "x is a number." The variable is called the argument of the function.
[36] Logic, Bk. III, Chap. V, § 2.
[37] Time and Free Will, p. 199.
[38] Time and Free Will. p. 202.
[39] Loc. cit., § 6