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geometry morphew ch. 2
geometry test
15
Mathematics
11th Grade
09/30/2011

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Cards

Term
Conditional statement
Definition
A statement in the form p -> q
Term
Conclusion
Definition
The "then" part of the conditional
Term
Conjecture
Definition
An educated guess
Term
Contrapositive
Definition
A statement in the form ~q -> ~p
Term
Converse
Definition
A statement in the form q -> p
Term
Counterexample
Definition
Something that shows that a given general statement is not true
Term
Deductive reasoning
Definition
Uses rules of logic to make a conclusion
Term
Hypothesis
Definition
The "if" part of a conditional
Term
Inductive reasoning
Definition
Uses examples to make a conjecture or rule
Term
Inverse
Definition
A statement in the form ~p -> ~q
Term
Law of detachment
Definition
If p - > q is a true conditional and p is true the q is true
Term
Law of syllogism
Definition
If p -> q and q -> r are true conditionals, the p -> r is true
Term
Negation
Definition
The denial of a statement
Term
Proof
Definition
A logical argument showing that the truth of a hypothesis guarantees the truth of the conclusion
Term
Two-column proof
Definition
A formal proof in which statements are listed in one column and the reasons for each statement are listed in a second column
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