doc-src/Tutorial/Misc/Defs.thy

'split' method: '(asm)' option;
added 'slow', 'slowsimp', 'bestsimp' methods;

Defs = Types +
consts nand, exor :: gate
defs nand_def "nand A B == ~(A & B)"
     exor_def "exor A B == A & ~B | ~A & B"
end