Conditional/Converse/Inverse/Contrapositive
If practice is not cancelled, then it is not raining.
If it is raining, then practice is cancelled Find contrapositive
If practice is cancelled, then it is raining
If it is raining, then practice is cancelled Find converse.
If it is not raining, then practice is not cancelled
If it is raining, then practice is cancelled Find inverse
If it is not cold, then it must not be snowing
If it is snowing, then it must be cold. Find contrapositive
If it is cold, then it must be snowing
If it is snowing, then it must be cold. Find converse
If it is not snowing, then it must not be cold
If it is snowing, then it must be cold. Find inverse
If the number is not even, then the number is not divisible by 2.
If the number is divisible by 2 then it is even. Find contrapositive
If the number is even, then it is divisible by 2
If the number is divisible by 2 then it is even. Find converse
If the number is not divisible by 2, then the number is not even.
If the number is divisible by 2 then it is even. Find inverse
If the shape does not have four sides, then it is not a rectangle
If the shape is a rectangle, then it has four sides. Find contrapositive
If the shape has four sides, then the shape is a rectangle.
If the shape is a rectangle, then it has four sides. Find converse
If the shape is not a rectangle, then the shape does not have four sides.
If the shape is a rectangle, then it has four sides. Find inverse
If tomorrow is not Thursday, then today is not Wednesday.
If today is Wednesday, then tomorrow is Thursday. Find contrapositive
If tomorrow is Thursday, then today is Wednesday.
If today is Wednesday, then tomorrow is Thursday. Find converse.
If today is not Wednesday, then tomorrow is not Thursday.
If today is Wednesday, then tomorrow is Thursday. Find inverse.
If two angles are not congruent, then they are not vertical
If two angles are vertical, then they are congruent. Find contrapositive
If two angles are congruent, then they are vertical.
If two angles are vertical, then they are congruent. Find converse
If two angles are not vertical, then they are not congruent.
If two angles are vertical, then they are congruent. Find inverse.
