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• Set

Emptyp

Check if a set is empty.

Signature

(emptyp set) → *

Arguments

set — Guard (setp set).

Definitions and Theorems

Function: emptyp$inline

(defun emptyp$inline (set)
  (declare (xargs :guard (setp set)))
  (declare (xargs :type-prescription (booleanp (emptyp set))))
  (tree-emptyp (sfix set)))