Non empty strings

Lecture Theory of Automata: Lesson 6. The main topics covered in this chapter include: language of strings beginning with and ending in different letters; Accepting all strings, accepting non-empty strings, accepting no string, containing double a’s; having double 0’s or double 1’s, containing triple a’s or triple b’s, EVEN-EVEN;...

23p wangziyi_1307 26-04-2022 21 2   Download

In this chapter, the following content will be discussed: Language of strings beginning with and ending in different letters, Accepting all strings, accepting non-empty strings, accepting no string, containing double a’s, having double 0’s or double 1’s, containing triple a’s or triple b’s, EVEN-EVEN.

41p thuongdanguyetan03 18-04-2020 11 1   Download

In (Kanazawa, 1998) it was shown that rigid Classical Categorial Grammars are learnable (in the sense of (Gold, 1967)) from strings. Surprisingly there are recent negative results for, among others, rigid associative Lamb ek (L) grammars. In this paper the non-lcarnability of the class of rigid grammars in LP (Associative-Commutative Lambek calculus) and LP0 (same, but allowing the empty sequent in derivations) will be shown.

8p bunthai_1 06-05-2013 43 2   Download