destructive sorites

English

Noun

destructive sorites (plural destructive sorites)

  1. (logic) A form of reductio ad absurdum which involves the denial of the first of a series of dependent propositions as a consequence of the denial of the last.
    • 1826, Richard Whately, Elements of Logic
      In a destructive Sorites, you, of course, go back from the denial of the last consequent to the denial of the first antecedent

References

destructive in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

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