Closure properties of regular languages
Pumping lemma
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Finite automata. Closure properties of regular languages. Pumping lemma презентация
Содержание
- 1. Finite automata. Closure properties of regular languages. Pumping lemma
- 2. Closure properties of regular languages Theorem 1
- 3. Proof of theorem 1
- 4. Proof of theorem 1
- 5. Proof of theorem 1
- 6. Proof of theorem 1
- 7. Proof of theorem 1
- 8. Proof of theorem 1
- 9. Proof of theorem 1
- 10. Proof of theorem 1
- 11. Proof of theorem 1
- 12. Proof of theorem 1
- 13. Proof of theorem 1
- 14. Proof of theorem 1 Kleene closure of an NFA.
- 15. Proof of theorem 1
- 16. Closure properties of regular languages In the
- 17. Closure properties of regular languages
- 18. Solution of example 1
- 19. Solution of example 1
- 20. Solution of example 1
- 21. Closure properties of regular languages
- 22. Another solution of example 2.
- 23. Closure properties of regular languages
- 24. Closure properties of regular languages
- 25. Solution of example 4
- 26. Solution of example 4
- 27. Pumping lemmas
- 28. Pumping lemmas
- 29. ?
- 30. ?
- 31. ?
- 32. ?
- 33. ?
- 34. ?
- 35. ?
- 36. ?
- 37. Pumping lemmas
- 38. Pumping lemmas
Closure properties of regular languages Theorem 1 The class of regular languages is closed under union, intersection, subtraction, complementation, concatenation, Kleene closure and reversal. Proof. The idea is to build
Слайд 2Closure properties of regular languages
Theorem 1
The class of regular languages is
closed under union, intersection, subtraction, complementation, concatenation, Kleene closure and reversal.
Proof.
The idea is to build a DFA for the union of two languages by combining the two DFA’s into one such that, at each step, the new DFA would keep track of the computation paths of both DFA’s.
Proof.
The idea is to build a DFA for the union of two languages by combining the two DFA’s into one such that, at each step, the new DFA would keep track of the computation paths of both DFA’s.
Слайд 16Closure properties of regular languages
In the following examples a language is
given and we show how to construct a DFA or a NFA accepting the language.
