Automata Theory
Context-free, usually related to a grammar, as in context-free grammar.
Classical logic
Context-sensitive, usually related to a grammar, as in context-sensitive grammar.
Church's thesis
Deterministic Finite Automaton (DFA)
Deterministic Push Down Automaton (DPDA-I) with 1 push-down store
Deterministic Push Down Automaton (DPDA-II) with 2 push-down stores
Deterministic Turing Machine (DTM)
Finite State Machine
First-order logic
Grammar Framework is a framework for working with natural languages.
Heyting arithmetic
Intuitionistic logic
Intuitionistic propositional logic
Linear Bounded Automaton (LBA)
Multitape Turing Machine (MTM)
Multidimensional Turing Machine (MDTM)
Nondeterministic Finite Automaton (NFA)
Natural language.
Nondeterministic Push Down Automaton (NPDA-I) with 1 push-down store
Nondeterministic Push Down Automaton (NPDA-II) with 2 push-down stores
Nondeterministic Turing Machine (NTM)
Peano arithmetic
Push-down automata
Probabilistic Turing Machine (PTM)
Turing Machine
Theory of Computation
Universal Turing Machine