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The Identical Rivals Response To Underdetermination, P.D. Magnus, Greg Frost-Arnold
The Identical Rivals Response To Underdetermination, P.D. Magnus, Greg Frost-Arnold
Philosophy Faculty Scholarship
The underdetermination of theory by data obtains when, inescapably, evidence is insufficient to allow scientists to decide responsibly between rival theories. One response to would-be underdetermination is to deny that the rival theories are distinct theories at all, insisting instead that they are just different formulations of the same underlying theory; we call this the identical rivals response. An argument adapted from John Norton suggests that the response is presumptively always appropriate, while another from Larry Laudan and Jarrett Leplin suggests that the response is never appropriate. Arguments from Einstein for the special and general theories of relativity may …