[Fester Chugabrew]

Well, no, since then you've got to ponder who designed the designer and so on, ad nauseum. That's about as "anti-rational" as one can get.

Mathemeticians have a symbol for infinity and they use it. Circles have no beginning or end. Are these also "anti rational" entities?

[Junior]

Mathemeticians have a symbol for infinity and they use it. Circles have no beginning or end. Are these also "anti rational" entities?

Except that neither creationism nor current cosmology deals with infinity, and both postulate definite beginnings.