oxford university press usa ducasse cj http wwwditextcom ducasse ducassehtml ''philosophy science matter method'' lazerowitz ''studies metaphilosphy'' london routledge overgaard gilbert p burwood ''an introduction metaphilosophy'' cambridge cambridge university press rescher n ''philosophical dialectics essay metaphilosophy'' albany state university new york press rescher nicholas ''philosophical reasoning study methodology philosophizing'' blackwell williamson ''the philosophy philosophy'' london blackwell wittgenstein ludwig ''tractatus logico philosophicus'' trans david pears brian mcguinness routledge hardcover paperback hardcover
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