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Geometry
midterm
6
Mathematics
10th Grade
01/26/2011
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Term
postulate (axiom)
 Definition
so obvious we accept them without proof
Term
negation
 Definition
statement that always has the opposite truth value of the original statement
Term
converse
 Definition
formed by switching hypothesis & conclusion
Q->P
Term
inverse
 Definition
formed by negating the hypothesis and the conclusion
~P->~Q
Term
contrapositive
 Definition
fromed by negating and switching the hypothesis and conclusion
~Q->~P
Term
logically equivelent
 Definition
contrapositive is LOGICALLY EQUIVELENT to the original conditional
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