Question

5 a logical argument that is presented in graphical form using boxes and arrows is called a ______. a. postulate b. indirect proof c. flowchart proof d. two - column proof

Explanation:

• Option A: A postulate is a statement accepted without proof, not a graphical argument form.
• Option B: Indirect proof (like proof by contradiction) is a method of proving, not a graphical form with boxes and arrows.
• Option C: A flowchart proof uses boxes (for statements) and arrows (for logical connections) to present a logical argument graphically, which matches the description.
• Option D: A two - column proof has two columns (statements and reasons) and is not in graphical form with boxes and arrows.

Answer:

C. flowchart proof