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• Maybe-proof-obligation

Maybe-proof-obligationp

Recognizer for maybe-proof-obligation structures.

Signature

(maybe-proof-obligationp x) → *

Definitions and Theorems

Function: maybe-proof-obligationp

(defun maybe-proof-obligationp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'maybe-proof-obligationp))
    (declare (ignorable __function__))
    (cond ((not x) (b* nil t))
          (t (b* ((fty::val x))
               (proof-obligationp fty::val))))))