reverted cs 07549694e2f1 -- use re-printing with current print mode instead after code assembly, avoid Latex.output_typewriter
Gate = FOL +
consts nand,xor :: "[o,o] => o"
rules nand_def "nand(P,Q) == ~(P & Q)"
xor_def "xor(P,Q) == P & ~Q | ~P & Q"
end