lispdoc - results for mean

( sample)
Function: Returns the mean of SAMPLE. SAMPLE must be a sequence of numbers.
(min number &rest more-numbers)
Function: Return the least of its arguments; among EQUALP least, return the first.
(defun cf-and (a b)
  "Combine the certainty factors for the formula (A and B)."
  (min a b))
Mentioned in:
CLtL2 - 12.3. Comparisons on Numbers
CLtL2 - Built-in Method Combination Types
HyperSpec - Function MAX, MIN
On Lisp - Applications for Macros
PCL - inverse chi square
PCL - numeric comparisons
PCL - other method combinations
 Mentioned in:
HyperSpec - Sharpsign Minus