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Cgraph-edge

Cgraph-edge-p

Recognizer for cgraph-edge structures.

Signature
(cgraph-edge-p x) → *

Definitions and Theorems

Function: cgraph-edge-p

(defun cgraph-edge-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'cgraph-edge-p))
    (declare (ignorable __function__))
    (and (std::prod-consp x)
         (std::prod-consp (std::prod-cdr x))
         (b* ((match-vars (std::prod-car x))
              (rule (std::prod-car (std::prod-cdr x)))
              (subst (std::prod-cdr (std::prod-cdr x))))
           (and (pseudo-var-list-p match-vars)
                (ctrex-rule-p rule)
                (fgl-object-bindings-p subst))))))