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Definition: Attempting to refute a principle (or the reasoning that it supports) by showing that it is has exceptions, but giving no reason to believe that the principle is generally unreliable or ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...

The term that collectively refers to the three principles described by Gregor Mendel that together summarize his extensive experiments studying the patterns of heredity for acquired characteristics.