lispdoc - results for <=

(<= number &rest more-numbers)

Function: Return T if arguments are in strictly non-decreasing order, NIL otherwise.

Example:

(defun end-of-string-p (string index)
  "Is index above the maximum index allowed for a given string?"
  (<= (length string) index))

Mentioned in:
CLtL2 - 12.1. Precision, Contagion, and Coercion
CLtL2 - 12.3. Comparisons on Numbers
CLtL2 - 2.1. Numbers
On Lisp - Adding Prolog Features
PCL - character comparisons
PCL - numeric comparisons
PCL - string comparisons