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• Dirabsdeclor

Dirabsdeclorp

Recognizer for dirabsdeclor structures.

Signature

(dirabsdeclorp x) → *

Definitions and Theorems

Theorem: consp-when-dirabsdeclorp

(defthm consp-when-dirabsdeclorp
  (implies (dirabsdeclorp x) (consp x))
  :rule-classes :compound-recognizer)