"A method for defining an computational operation, performed by a computer system or a mechanical equivalent of thereof, in terms of the same computational operation performed by the identical system. Such computational operation is defined in such a way it consists of two separate computational suboperations - one and only one of them is defined completely in terms of the composed computational operation itself."

Sounds like it could fly with USPTO.

(And if it doesn't, you can try and confuse people by patenting Y combinator.)