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Entr/exit-scope-theorems

Theorems relating enter-scope and exit-scope.

Definitions and Theorems

Theorem: exit-scope-of-enter-scope

(defthm exit-scope-of-enter-scope
  (implies (> (compustate-frames-number compst) 0)
           (equal (exit-scope (enter-scope compst))
                  (compustate-fix compst))))