Conditional
Truth Value
Converse
Contrapsitive
Inverse
100
Tenth graders are in Geometry.
If you are a tenth grader, then you are in Geometry.
100
If x squared = 9, then x = 3.
False, x could also equal -3.
100
If the child is 5 years old, then they are in kindergarten.
If the child is in kindergarten, then they are 5 years old.
100
If you like tennis, then you play on the tennis team.
If you do not play on the tennis team, then you do not like tennis.
100
If x is odd, then 3x is odd.
If x is not odd, then 3x is not odd.
200
Puppies are small.
If it is a puppy, then it is small.
200
If you have a flag, then it has blue parts on it.
False, the Italian flag has no blue parts.
200
If there is snow on the ground, then flowers are not in bloom.
If flowers are not in bloom, then there is snow on the ground.
200
If x is odd, then 2x is even.
If 2x is not even, then x is not odd.
200
If you like soccer, then you go to the soccer game.
If you do not like soccer, then you do not go to the soccer game."
300
A line contains at least 2 points.
If it is a line, then it contains at least 2 points.
300
If three points lie on the same plane, then they are collinear.
False, the three points that create a triangle are not collinear.
300
If 2 planes intersect, then the 2 planes intersection is a line.
If 2 planes intersection is a line, then the 2 planes intersect."
300
If a point lies on 2 lines, then it is at the intersection.
If a point is not at the intersection, then it does not lie on 2 lines.
300
If you visited Springfield, then you've been to Illinois.
If you have not visited Springfield, then you have not been to Illinois.
400
A triangle has angles that have a sum of 180 degrees.
If the shape is a triangle, then the sum of the angles equals 180 degrees.
400
If you are in this Geometry class, then you should know what coplanar points are.
True.
400
If 2 points lie on a plane, then the line containing them lies in the plane.
If the line containing 2 points lies in a plane, then they lie on the plane.
400
If you watch cartoons, then you are young.
If you are not young, then you do not watch cartoons.
400
If measure of angle p is 90 degrees, then it is a right angle.
If the measure of angle p is not 90 degrees, then it is not a right angle.
500
Quadrilaterals have four sides.
If the shape is a quadrilateral, then it has four sides.
500
If the length and with of a rectangle are the same, then that rectangle is actually a square.
True.
500
If you are a home owner, then you own a lawnmower.
If you own a lawnmower, then you are a home owner.
500
If you do not like running, then you are lazy.
If you are not lazy, then you like running.
500
If you don't use your phone in school, then you won't get in trouble for using it.
If you use your phone in school, then you will get in trouble for using it.
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