The new asm_lr_simp_tac is the old asm_full_simp_tac.
The new asm_full_simp_tac also does a limited amount of mutual simplification.
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