Browsing AI Memos (1959 - 2004) by Author "Wand, Mitchell"
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A Concrete Approach to Abstract Recursive Definitions
Wand, Mitchell (1972-06-01)We introduce a non-categorical alternative to Wagner's Abstract Recursive Definitions [Wg-1,2] using a generalization of the notion of clone called a u-clone. Our more concrete approach yields two new theorems: 1.) the ... -
Theories, Pre-Theories and Finite State Transformations on Trees
Wand, Mitchell (1971-05-01)The closure of an algebra is defined as a generalization of the semigroup of a finite automation. Pretheories are defined as a subclass of the closed algebras, and the relationship between pretheories and the algebraic ...