If Dune is not a result of creative processes and science-fiction, then Dune neither came from an imaginative process nor proved to be false.
Knows(dan, dune) ∧ (¬(ResultOf(dune, creativeProcess)  ∧ ScienceFiction(dune))) → (¬(ImaginativeProcess(dune) ∨ ProvedToBe(dune, false)))