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15 Cards in this Set
- Front
- Back
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There exists
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Backwards 'E'
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For all
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Upside down 'A'
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Therefore
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3 dots
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Such that
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Backwards epsilon
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Contained in
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Epsilon
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The set of all real numbers
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Double sided 'R'
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If and only if (2)
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iff
Double lined arrow in both directions |
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Implies
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Double lined arrow to the right
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Defined to be
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3 lines
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Change
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Delta/Triangle
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Done with proof (3)
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Shaded square
Railroad tracks QED |
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Suppose
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'S' with an added vertical line
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The set of all natural numbers
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Double sided 'N'
or n <- double sided 'N' |
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Union
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'U'
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Intersection
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Upside down 'U'
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