Atheorem is a statement that can be easily prove using a corollary

⇒A theorem is a statement that can be easily prove using a corollary

False Statement

Corollary Means , a Theorem written in another way , when it has been proved.

For Example:The Sum of Angles of Triangle is 180°.Theorem

Corollary→If  three distinct rays intersect at three points , and sum of interior Angles formed at their point of Intersection is 180°, then it is a Triangle.

Correct Statement will be:

     A theorem is a statement that can be easily proved using an Axiom or Postulate.