In formal language theory, the Büchi–Elgot–Trakhtenbrot theorem states that a language is regular if and only if it can be defined in monadic second-order...
2 KB (206 words) - 14:38, 3 September 2024
Regular language (redirect from Kleene's theorem)
Turing machine it can be defined in monadic second-order logic (Büchi–Elgot–Trakhtenbrot theorem) it is recognized by some finite syntactic monoid M, meaning...
29 KB (3,420 words) - 08:52, 7 October 2024
also of fundamental importance in automata theory, where the Büchi–Elgot–Trakhtenbrot theorem gives a logical characterization of the regular languages....
11 KB (1,308 words) - 06:51, 8 August 2023
formulas (Büchi-Elgot-Trakhtenbrot theorem, 1960) NP is the set of languages definable by existential, second-order formulas (Fagin's theorem, 1974). co-NP...
32 KB (4,399 words) - 09:00, 7 October 2024
Brun–Titchmarsh theorem (number theory) Brunn–Minkowski theorem (Riemannian geometry) Büchi-Elgot-Trakhtenbrot theorem (mathematical logic) Buckingham π theorem (dimensional...
73 KB (6,030 words) - 15:22, 20 October 2024