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<p>Book digitized by Google from the library of the University of Michigan and uploaded to the Internet Archive by user tpb.
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<br>Subjects: speculative; inductive; knowledge; experimental; philosophy; science; method; ferrier; professor; principle; public domain; professor ferrier; inductive method; human mind; google book; supernatural truth; book search; third principle; mathematical point; experimental method</div>
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Augusto Vera</div>
Internet Archive identifier