problems.boolean

EvenParity	Even parity problem class
get_and	Build and get an “and” function.
get_default_function_bank	make a function bank with default settings.
get_nand	Build and get a “nand” function.
get_nor	Build and get a “nor” function.
get_or	Build and get an “or” function.
get_x	get function of i-th elements in x.