Major Section: ACL2-BUILT-INS
(char<= x y) is true if and only if the character code of x is
less than or equal to that of y. See char-code.
The guard for char<= specifies that its arguments are characters.
Char<= is a Common Lisp function. See any Common Lisp
documentation for more information.
To see the ACL2 definition of this function, see pf.
