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Mathematical Notation
acS
a"S
TqS
S_T
A4B
A3B
A−B
A%B
≤
iff
≥
≥!
¤
s.t.
1−1
—
u
q.e.d.
±
///
|S|
n
[n]
‘
Œ
Z
1
tr
S
a is an element of S
a is a not an element of S
T contains S
S is contained in T
S is a subset of T
A union B
A intersection B
acA|a"B
(a, b) | a c A, b c B
For each or for all
If and only if
There exists
There exists a unique
Such that
Such that
One to one
Empty set or null
implies
Indicates that a proof is complete
Indicates that a proof is complete
Indicates that a proof is complete
Cardinality of the set S; that is,
the number of elements in S
{1, 2, 3, ..., n}
{1, 2, 3, ..., n}
Real numbers
Positive intergers 1,2,3,...
Integers ...-3,-2,-1,0,1,2,3,...
contradiction
contradiction
Suppose
