less-than test for characters
Major Section:  ACL2-BUILT-INS

(char< x y) is true if and only if the character code of x is less than 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.