Term

Definition
to write the negative of a statement.
When you negate the hypothesis and conclusion, a "~" symbol appears before the "p" or "q" 


Term

Definition
two lines that intersect to form a right angle. 


Term

Definition
a statement that contains the phrase "if and only if". They are true only when the conditional and converse are true.
Represented by: p <> q 


Term

Definition
a conditioned statement formed by switching the hypothesis and conclusion.
Represented by: q > p 


Term

Definition
when you negate the hypothesis and conclusion of a statement.
Represented by: ~p > ~q 


Term

Definition
when you negate the hypothesis and conclusion of the converse of a conditional statement.
Represented by: ~q > ~p 


Term

Definition
If p > q is a true conditional statement and p is true, the q is true. 


Term

Definition
If p > q and q > r are true conditional statements, then p > r is true. 


Term

Definition
If a = b and b = c, then a = c 


Term
Right Angle Congruence Theorem 

Definition
this states that all right angles are congruent. 


Term

Definition
this states that if two angles are a linear pair of angles, then they are supplementary. 


Term

Definition
If two angles are vertical angles, then they are congruent. 

