Long Right Double Arrow

Symbol Format Data
Code Point
U+27F9
TeX
\Longrightarrow
SVG

Usage

In math, the long right double arrow is used to denote logical implication. Typically it is used in an expression like this:

In plain language, this means that if is true, then must necessarily be true.

Related

Long right arrow symbol.

Long left double arrow symbol.

The if and only if symbol is used as a logical statement.