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• Index-of

Index-of-theorems

Some theorems about the library function index-of.

Definitions and Theorems

Theorem: index-of-nth-when-no-duplicatesp

(defthm index-of-nth-when-no-duplicatesp
  (implies (and (integer-range-p 0 (len x) i)
                (no-duplicatesp-equal x))
           (equal (index-of (nth i x) x) i)))