Hence, logic minimization was for the most part limited to the use of Karnaugh maps and DeMorgan's law. Because of this, Charles L. Richards invented a method of implementing a finite-state machine that did not need an explicit state-transition table.
Because logic minimization was mostly limited to the use of Karnaugh maps and DeMorgan's Law, Charles L. Richards invented a way to implement a finite-state machine without needing a separate state-transition table.