Get the kind (tag) of a fun-env-result structure.
(fun-env-result-kind acl2::x) → kind
Function:
(defun fun-env-result-kind$inline (acl2::x) (declare (xargs :guard (fun-env-resultp acl2::x))) (let ((__function__ 'fun-env-result-kind)) (declare (ignorable __function__)) (cond ((fun-envp acl2::x) :ok) (t :err))))
Theorem:
(defthm fun-env-result-kind-possibilities (or (equal (fun-env-result-kind acl2::x) :ok) (equal (fun-env-result-kind acl2::x) :err)) :rule-classes ((:forward-chaining :trigger-terms ((fun-env-result-kind acl2::x)))))