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DoubleLeftArrow 
DoubleLeftArrow[x, y, ...]
displays as 
.
Details
- DoubleLeftArrow[x, y, ...] has no built-in meaning.
is by default interpreted as DoubleLeftArrow[x, y].
can be entered as \[DoubleLeftArrow] or Esc
<=Esc.- Esc<=Esc is the alias for \[LessEqual]. The alias for \[DoubleLeftArrow] has a space at the beginning.
New in 6
