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29 Cards in this Set
- Front
- Back
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group of items
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set
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member of a set
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element
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{1,2,3,...}
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counting numbers
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{0,1,2,3,...}
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natural numbers
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{...,-3,-2,-1,0,1,2,3,...}
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integers
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nonrepeating and nonterminating
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irrational
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union of the rational and irrational numbers
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real numbers
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the thought process used to draw a conclusion about given information or observations
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reasoning
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a conclusion drawn from or based off of information given or observed
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conjecture
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the thought process of drawing a conjecture based off of observations, samplings, surveys, ect.
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inductive reasoning
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the thought process of drawing a conjecture based off factual information
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deductive reasoning
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a specific case (person, item, situation, number, ect.) that proves a conjecture false
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counterexample
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a clear and concise use of words to describe a new word
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definition
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do not have a formal definition
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undefined terms
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a specific location
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point
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a set of points in one dimension that extends infinitely in opposite directions
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line
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set of points in two dimensions that extends infinitely in all directions
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plane
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points that lie on the same line
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collinear
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points that do not lie on the same line
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noncollinear
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points that lie in the same plane
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coplanar
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points that do not lie in the same point
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noncoplanar
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part of a line that has 2 endpoints. It contains all the points between and including the endpoints
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line segment
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part of a line that has 1 endpoint and extends infinitely in one direction
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ray
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2 collinear rays that share a common initial point but go in opposite directions. They form a line
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opposite rays
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to cross
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intersect
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points that are in common
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intersection
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rules that are accepted as true
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postulate or axioms
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rules that are proven true
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theorems
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segments that have equal length
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congruent segments
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