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15 Cards in this Set

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