Sec. 2.2: Conditional Statements
Example Write each conditional statement in if, then form. 1.Three points are collinear if there is a line containing them. 2.All whales are mammals. 3.All 90 degree angles are right angles.
Example Negate the following statements. 1.A, B, and C are collinear. 2.A trapezoid is not a parallelogram.
Example
1. 2.