The process which consists of a logical chain of steps that shows that a statement must be true is called direct proof. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
<em>The process which consists of a logical chain of steps that shows that a statement must be true is called direct proof.</em>
The direct test or immediate test aims to obtain statements that will verify the truth of the contents of the statements. These tests are regulated in the adjective norms.