variant_imp Performs a bitwise implication on two variants mixedvariant_imp mixedleft mixedright Performs a bitwise implication operation, according to the following truth table: If left is If right is then the result is &true;&true;&true;&true;&false;&true;&true;&null;&true;&false;&true;&true;&false;&false;&true;&false;&null;&true;&null;&true;&true;&null;&false;&null;&null;&null;&null; &reference.com.variant-arith;