Abstract
In this work, I introduce the Type-Theory of Algorithms (TTA), which is an extension of Moschovakis Type-Theory of Algorithms and its reduction calculus, by adding logic operators and quantifiers. The formal language has two kinds of terms of formulae, for designating state-independent and state-dependent propositions and predications. The logic operators include conjunction, disjunction, conditional implication, and negation. I add state-dependent quantifiers, for enhancing the standard quantifiers of predicate logic. I provide an extended reduction calculus of the Type-Theory of Acyclic Algorithms, for reductions of terms to their canonical forms. The canonical forms of the terms provide the algorithmic semantics for computing the denotations.
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Notes
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There are other possibilities for the truth values of the erroneous truth value \( er \) for the quantifiers, which we do not consider in this paper.
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Loukanova, R. (2023). Logic Operators and Quantifiers in Type-Theory of Algorithms. In: Bekki, D., Mineshima, K., McCready, E. (eds) Logic and Engineering of Natural Language Semantics. LENLS 2022. Lecture Notes in Computer Science, vol 14213. Springer, Cham. https://doi.org/10.1007/978-3-031-43977-3_11
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