An example of a non adequate numeral system
نویسنده
چکیده
Résumé Un système numérique est défini par la donnée de trois λ-termes clos: un λ-terme normal d0 pour Zéro, un λ-terme Sd pour le Successeur, et un λ-terme pour le Test à Zéro, tels que les λ-termes (Sd i d0) sont normalisables et possèdent des formes normales differentes. Un système numérique est dit adéquat ssi il possède un λ-terme clos pour le Prédécesseur. Dans cette Note nous présentons un exemple simple d’un système numérique non adéquat.
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