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Logical Biconditional

Source: R/077_atoms_elementwise_logic.R
iff.Rd

Logical biconditional: x <=> y. Returns 1 if and only if x and y have the same value. Equivalent to Not(Xor(x, y)).

Usage

iff(x, y)

Arguments

x, y

Boolean Variables or logic expressions.

Value

A Not expression wrapping Xor.

See also

implies(), Not(), And(), Or(), Xor()

Examples

if (FALSE) { # \dontrun{
x <- Variable(boolean = TRUE)
y <- Variable(boolean = TRUE)
expr <- iff(x, y)
} # }