Notice: This page is a work in progress. It is constantly being updated.
Page last updated: 20.10.2016
Symbol / Notation | Meaning |
---|---|
is equal to … | |
is not equal to… | |
is identical or congruent to … | |
is approximately equal to … | |
is isomorphic to … | |
is proportional to … | |
is less than … | |
is less than or equal to … | |
is not less than … | |
is greater than … | |
is greater than or equal to … | |
is not greater than … | |
x and y | |
x or y (or both) | |
x implies that y (if x then y) | |
x is implied by y (if y then x) | |
x implies and is implied by y (x is equivalent to y) | |
not x | |
is an element of … | |
is not an element of … | |
there exists … | |
for all … | |
infinity | |
a set with elements | |
the set of all x such that … | |
the number of elements in set A | |
an empty set | |
the universal set | |
the complement of the set A | |
is a subset of … | |
is a superset of … | |
is a proper subset of … | |
union | |
intersection | |
the set of natural numbers, | |
the set of integers, | |
the set of positive integers, | |
the set of integers modulo n, | |
the set of rational numbers, | |
the set of positive rational numbers, | |
the set of positive rational numbers including zero, | |
the set of real numbers | |
the set of positive real numbers, | |
the set of positive real numbers including zero, | |
the set of complex numbers | |
[p,q] | a closed interval, |
[p,q), [p,q[ | the interval, |
(p,q], ]p,q] | the interval, |
(p,q), ]p,q[ | an open interval, |
the positive square root of n | |
the modulus of n | |
n! | |
the function of x | |
the inverse of the function | |
change in x | |
the derivative of y with respect to x | |
the nth derivative of y with respect to x | |
the first, second, …, and nth derivatives of the function of x with respect to x | |
y integrated | |
y integrated between the limits a and b | |
the partial derivative of A with respect to x | |
base of natural logarithms, with a value of approximately 2.718 | |
exponential function of x | |
logarithm of x to the base a | |
the natural logarithm of x |
Download the current version of this table:
- symbols_and_notations_table (txt file)