Which phrase best describes a theorem in an axiomatic system?

the accepted meaning of a term

an assumption made with little supporting evidence

an accepted fact that cannot be proven

a statement proven to be true using logic

a list of geometric facts

The correct answer is "a statement proven to be true using logic".

Explanation:

In logic and in mathematics, an axiomatic system is a set of propositions from which true statements can be derived. These statements are called theorems, therefore a theorem in an axiomatic system is defined as a statement proven to be true using logic, logic that comes from the propositions or axioms that comprise the axiomatic system.

answer; collective security;

answer; people have no objective standard by which to judge themselves;