Term
biconditional (statement) 

Definition
If a conditional statement and its converse are both true, they can be rewritten as a single logical statement called a(n) ______________________________. 


Term

Definition
“______________________________” is a fancy name for an ifthen statement. 


Term

Definition
The part of a conditional statement following the “then” is referred to as the statement’s ______________________________. 


Term

Definition
The ______________________________ of the statement “If an object is a die, then it has six sides” is “If an object does not have six sides, then it is a not a die.” 


Term

Definition
The statement “If the corresponding angles formed are congruent, then the two lines cut by a transversal are parallel” is the ______________________________ of “If two lines cut by a transversal are parallel, then the corresponding angles formed are congruent.” 


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Definition
A bat would be a(n) ______________________________ for the statement “If an animal has wings, then it is a bird. That’s because a bat has wings, but it is not a bird.” 


Term

Definition
Any number that is two times an integer plus one is an odd number. Sixtyseven is two times the integer thirtythree plus one. Therefore sixtyseven is an odd number. This is an example of ______________________________. 


Term

Definition
The ________________________________________ below shows the relationship among the set of animals, the set of animals that are mammals, and the set of animals that lay eggs.
[image]
We call a picture that shows the logical relationships among a number of sets a(n) ______________________________. 


Term

Definition
In the statement, “If an animal has a backbone, then the animal is a vertebrate,” the clause “animal has a backbone” is the statement’s ______________________________. 


Term

Definition
You create a conditional statement’s ____________________ when you negate its hypothesis and conclusion. 

