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Mathematical Symbols
43
Flashcards
0/43
Additive inverse
-a or -1 \times a
Multiplicative inverse or reciprocal
a^{-1} or \frac{1}{a}
Identity element for addition
0
Identity element for multiplication
1
Integral symbol
\int
Derivative notation
\frac{dy}{dx} or f'(x)
Limit notation
\lim
Summation notation
\sum
Pi product notation
\prod
Set membership
\in
Subset
\subseteq
Superset
\supseteq
Union of sets
\cup
Intersection of sets
\cap
Cartesian product of sets
\times
Direct sum
\oplus
Direct product
\otimes
Empty set
\emptyset or \{\}
Natural numbers
\mathbb{N}
Integers
\mathbb{Z}
Rational numbers
\mathbb{Q}
Real numbers
\mathbb{R}
Complex numbers
\mathbb{C}
Infinity
\infty
Right angle
\angle ABC = 90^{\circ}
Angle measurement
\angle ABC
Proportional to
\propto
Parallel lines
\parallel
Perpendicular lines
\perp
Equivalent
\equiv
Approximately equal to
\approx
Not equal to
\neq
Much greater than
\gg
Much less than
\ll
Therefore
\therefore
Because
\because
For all
\forall
Exists
\exists
Unique existence
\exists!
Element-wise addition in vectors
\vec{a} + \vec{b}
Dot product of vectors
\vec{a} \cdot \vec{b}
Cross product of vectors
\vec{a} \times \vec{b}
Matrix multiplication
\mathbf{A} \times \mathbf{B}
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