LessFullEqual (Built-in Mathematica Symbol)

LessFullEqual[x, y, ...] displays as x \[LessFullEqual] y \[LessFullEqual] ....

LessGreater (Built-in Mathematica Symbol)

LessGreater[x, y, ...] displays as x \[LessGreater] y \[LessGreater] ....

LessLess (Built-in Mathematica Symbol)

LessLess[x, y, ...] displays as x \[LessLess] y \[LessLess] ....

Less (Built-in Mathematica Symbol)

x < y yields True if x is determined to be less than y. x_1 < x_2 < x_3 yields True if the x_i form a strictly increasing sequence.

LessSlantEqual (Built-in Mathematica Symbol)

LessSlantEqual[x, y, ...] displays as x \[LessSlantEqual] y \[LessSlantEqual] ....

LessTilde (Built-in Mathematica Symbol)

LessTilde[x, y, ...] displays as x \[LessTilde] y \[LessTilde] ....

LetterCharacter (Built-in Mathematica Symbol)

LetterCharacter represents a letter character in StringExpression.

LetterQ (Built-in Mathematica Symbol)

LetterQ[string] yields True if all the characters in the string are letters, and yields False otherwise.

Level (Built-in Mathematica Symbol)

Level[expr, levelspec] gives a list of all subexpressions of expr on levels specified by levelspec. Level[expr, levelspec, f] applies f to the sequence of subexpressions.

LeveneTest (Built-in Mathematica Symbol)

LeveneTest[data] tests whether the variance of data is 1. LeveneTest[{data_1, data_2}] tests whether the variances of data_1 and data_2 are equal.LeveneTest[dspec, ...