Illogic
WordNet

noun


(1)   Invalid or incorrect reasoning
WiktionaryText

Noun


illogic
  1. a lack of logic, unreasonableness, a fallacy
    • 1907, Jack London, Before Adam
      And right often have I, the modern, been perturbed and vexed by the foolishness, illogic, obtuseness, and general all-round stupendous stupidity of myself, the primitive.
 
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