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Svar-split

Svar-split-kind

Get the kind (tag) of a svar-split structure.

Signature
(svar-split-kind x) → kind
Arguments: x — Guard (svar-split-p x).

Definitions and Theorems

Function: svar-split-kind$inline

(defun svar-split-kind$inline (x)
  (declare (xargs :guard (svar-split-p x)))
  (let ((__function__ 'svar-split-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((eq (car x) :segment) :segment)
                      (t :remainder))
         :exec (car x))))

Theorem: svar-split-kind-possibilities

(defthm svar-split-kind-possibilities
  (or (equal (svar-split-kind x) :segment)
      (equal (svar-split-kind x) :remainder))
  :rule-classes
  ((:forward-chaining :trigger-terms ((svar-split-kind x)))))