Consult a reputable dictionary (such as the Oxford English) and write down the meaning of the following words. They may each have several meaning so extract the ones that relate more to fact or truths.

(a) assumptions

(b) axioms

(c) concepts

(d) conventions

(e) postulates

(f) principles

(g) procedures.

Consider the definitions that you have extracted carefully. Do they all have a similar meaning?