III. return the bill to Congress for clarification on some point within the bill IV. allow the Congress to pocket veto the bill, thereby allowing the bill to become law without his signature a.
Decidability. Definition: A language is called decidable if there exists a method-any method at all-to determine whether a given word belongs to that language or not. Working hypothesis I: Decidability is well defined above.roof: Surely, a decidable language is recognizable. Moreover, if a language is decidable, then so is its complement, and hence that complement is recognizable. Now suppose a language L and its complement are recognizable. Let A be a recognizer for L, and B for its complement.
Examples and Observations:  1 A pidgin is the combination of two or more languages which sometimes occurs in trade contact, multi-ethnic or refugee situations, where participants need a functioning common language. . . . language that developed historically from a pidgin and came into existence at a fairly precise point in time. Decreolization is the process through which a creole language gradually becomes more like the standard language of a region. (See Examples and Observations, below.).