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Vttree

Vttree-kind

Get the kind (tag) of a vttree structure.

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

Definitions and Theorems

Function: vttree-kind$inline

(defun vttree-kind$inline (x)
  (declare (xargs :guard (vttree-p x)))
  (let ((__function__ 'vttree-kind))
    (declare (ignorable __function__))
    (cond ((atom x) :none)
          ((eq (car x) :warnings) :warnings)
          ((eq (car x) :constraints) :constraints)
          ((eq (car x) :context) :context)
          (t :branch))))

Theorem: vttree-kind-possibilities

(defthm vttree-kind-possibilities
  (or (equal (vttree-kind x) :none)
      (equal (vttree-kind x) :warnings)
      (equal (vttree-kind x) :constraints)
      (equal (vttree-kind x) :context)
      (equal (vttree-kind x) :branch))
  :rule-classes
  ((:forward-chaining :trigger-terms ((vttree-kind x)))))