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• Std/system/function-queries

Get-ruler-extenders

Ruler-extenders of a named logic-mode recursive function.

Signature

(get-ruler-extenders fn wrld) → ruler-extenders

Arguments

fn — Guard (symbolp fn).

wrld — Guard (plist-worldp wrld).

Returns

ruler-extenders — A symbol-listp of :all.

See rulers for background.

See get-ruler-extenders+ for an enhanced variant of this utility.

This is called get-ruler-extenders instead of just ruler-extenders to avoid a topic conflict with the XDOC manual.

Definitions and Theorems

Function: get-ruler-extenders

(defun get-ruler-extenders (fn wrld)
  (declare (xargs :guard (and (symbolp fn) (plist-worldp wrld))))
  (let ((__function__ 'get-ruler-extenders))
    (declare (ignorable __function__))
    (b* ((justification (getpropc fn 'justification nil wrld)))
      (access justification
              justification :ruler-extenders))))