Major Section: ACL2-BUILT-INS
(char>= x y) is true if and only if the character code of x is
greater 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.