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\nleftrightarrow

The \nleftrightarrow command in LaTeX is used to produce a negated left-right arrow, which is typically used in mathematical expressions to denote a relation that does not hold in both directions.

Examples

Indicates that A and B are not equivalent or do not have a bidirectional relationship.

A \nleftrightarrow B

Denotes that x and y do not have a mutual relationship.

x \nleftrightarrow y

Expresses that the properties P and Q do not imply each other for x.

P(x) \nleftrightarrow Q(x)