Conditional, Contrapositive, Inverse, Converse, biconditional

Conditional, Contrapositive, Inverse, Converse, biconditional

Author: Dan Bowler

To define terms in geometry related to conditional statements and to illustrate the logic associated with these terms.

Several examples are used to illustrate the meanings of: conditional statement, converse, inverse, and contrapositive. The logical equivalence of pairs of these terms in also discussed.

Photographs used in this packet were obtained at morguefile.com. Morguefile grants permission to use its images.

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The following terms will be defined in this lesson:

- conditional

- hypothesis

- conclusion

- contrapositive

- inverse

- converse

- biconditional


This video describes some of the basic terminology associated with logical reasoning in geometry.