Major Section: ACL2-BUILT-INS
(Upper-case-p x)
is true if and only if x
is an upper case character,
i.e., a member of the list #\A
, #\B
, ..., #\Z
.
The guard for upper-case-p
requires its argument to be a standard
character (see standard-char-p).
Upper-case-p
is a Common Lisp function. See any Common Lisp
documentation for more information.
To see the ACL2 definition of this function, see pf.