### PLUSP

test whether a number is positive
Major Section: ACL2-BUILT-INS

`(Plusp x)`

is true if and only if `x > 0`

.

The guard of `plusp`

requires its argument to be a rational (real, in
ACL2(r)) number.

`Plusp`

is a Common Lisp function. See any Common Lisp
documentation for more information.

To see the ACL2 definition of this function, see pf.