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Geometry ch. 2
tftctvhbknihzinycfu, Nya222
25
Mathematics
10th Grade
10/16/2012

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Cards

Term
Conjecture
Definition
An educated guess based on known information
Term
Inductive Reasoning
Definition
Reasoning that uses a number of specific examples to arrive at a plausible generalization or prediction
Term
Counterexample
Definition
False example
Term
Conditional Statement
Definition
A statement that can be written in if-then form.
Term
If-then statement
Definition
written in the for if p, then q
Term
Hypothesis
Definition
The "if" in an if-then statement
Term
Conclusion
Definition
Phrase immediately folling the "if" in an if-then statement
Term
Conditional
Definition
Given hypothesis and conclusion
Term
Converse
Definition
Exchanging the hypothesis and conclusion of the conditional
Term
Inverse
Definition
Negating both the hypothesis and conclusion of the conditional
Term
Contrapositive
Definition
Negating both the hypothesis and conclusion of the converse statement
Term
Logically Equivalent
Definition
Statements with the same truth values
Term
Biconditional
Definition
The conjuction of two statements
Term
Deductive Reasoning
Definition
Uses facts, rules, definitions, or properties to reach logical conclusions
Term
Law of Detachment
Definition
Used to draw conclusions from true conditional statements
Term
Law of Syllogism
Definition
Basically if p=q and q=r, then p=r
Term
Postulate
Definition
Statement that describes a fundamental relationship between the basic terms of geometry
Term
Axiom
Definition
Statement that describes a fundamental relationship between the basic terms of geometry
Term
Theorem
Definition
A true statement or conjecture
Term
Proof
Definition
A logical agreement in which each statement you make is supported by a statement that is true
Term
Paragraph Proof
Definition
A paragraph to explain why the conjecture is true
Term
Informational Proof
Definition
A paragraph to explain why the conjecture is true
Term
Deductive Argument
Definition
A group of algebraic steps used to solve problems
Term
Two-Column Proof
Definition
Contains statements and reasons organized in two columns
Term
Formal Proof
Definition
Contains statements and reasons organized in two columns
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