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examples of decidable problems
We'll close our consideration of regular languages by looking at whether (certain) problems about regular languages are algorithmically decidable.
Proof (sketch): Suppose L 1 and L 2 are recognizable. Then there are DFAs A 1 = (Q,Σ, T 1 , q 0 , F 1 ) and A 2 = (P,Σ, T 2 , p 0 , F 2 ) such that L 1 = L(A 1 ) and L 2 = L(
For example, the question of whether a given regular language is positive (does not include the empty string) is algorithmically decidable. "Positiveness Problem". Note that
Computer has a single LIFO stack containing ?xed precision unsigned integers (so each integer is subject to over?ow problems) but which has unbounded depth (so the stack itself nev
(c) Can you say that B is decidable? (d) If you somehow know that A is decidable, what can you say about B?
build a TM that enumerate even set of even length string over a
what is theory of computtion
RESEARCH POSTER FOR MEALY MACHINE
Explain the Chomsky's classification of grammar
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