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Genassoc

Genassoc-kind

Get the kind (tag) of a genassoc structure.

Signature
(genassoc-kind x) → kind
Arguments: x — Guard (genassocp x).

Definitions and Theorems

Function: genassoc-kind$inline

(defun genassoc-kind$inline (x)
  (declare (xargs :guard (genassocp x)))
  (let ((__function__ 'genassoc-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((eq (car x) :type) :type)
                      (t :default))
         :exec (car x))))

Theorem: genassoc-kind-possibilities

(defthm genassoc-kind-possibilities
  (or (equal (genassoc-kind x) :type)
      (equal (genassoc-kind x) :default))
  :rule-classes
  ((:forward-chaining :trigger-terms ((genassoc-kind x)))))