<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "The Positive Power of Negative Thinking"^^ . "Book reviewed in this article:Science and Scepticism. By John W.N. Watkins."^^ . "2002" . . "18" . "4" . . "Blackwell Publishing Ltd"^^ . . . "Cladistics"^^ . . . . . . . . "Stefano"^^ . "Gattei"^^ . "Stefano Gattei"^^ . . . . . "HTML Summary of #70 \n\nThe Positive Power of Negative Thinking\n\n" . "text/html" . . . "B Philosophy (General)"@en . .