Formal languages 8 Automata theory 7 Machine theory 7 Symbolic logic 6 Computational complexity 4 Computer science 2 Formal languages, Automata theory 2 Fuzzy sets 2 Logic-- Set Theory-- Number Theory-- Automata Theory 2 MATHEMATICS / Algebra / General 2 Mathematics 2 Algebra 1 Automata Theory 1 Automata languages 1 Automata theory, formal languages 1 COMPUTERS / Operating Systems / General 1 Computer languages 1 Engineering- Electrical 1 Equivalent automata 1 Finite automata 1 Finite groups 1 Formal Languages--Automata Theory 1 Formal languages. Machine theory 1 Fuzzy logic 1 Graph theory 1 Group theory 1 Groupoids 1 MATHEMATICS / Combinatorics 1 MATHEMATICS / Functional Analysis 1 Near-rings 1