Sophistry

• (n.) The art or process of reasoning; logic. • (n.) The practice of a sophist; fallacious reasoning; reasoning sound in appearance only.
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Sophistry

Soph'ist·ry noun [ Middle English sophistrie , Old French sophisterie .] 1. The art or process of reasoning; logic. [ Obsolete] 2. The practice of a sophist; fallacious reasoning; reasoning sound in appearance only. « The juggle of sophistry consists, for th...
Found on http://www.encyclo.co.uk/webster/S/146

sophistry

fallacious reasoning faulty logic 
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No exact match found