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Constraint-instance

Constraint-instance-p

Recognizer for constraint-instance structures.

Signature
(constraint-instance-p x) → *

Definitions and Theorems

Function: constraint-instance-p

(defun constraint-instance-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'constraint-instance-p))
    (declare (ignorable __function__))
    (and (std::prod-consp x)
         (b* ((thmname (std::prod-car x))
              (subst (std::prod-cdr x)))
           (and (symbolp thmname)
                (fgl-object-bindings-p subst))))))