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- adv. To the point of absurdity.
Historic Doubts relative to Napoleon Buonaparte (1819), intended as a reductio ad absurdum of Hume’s contention that no evidence is sufficient to prove a miracle,
In St. Anselm's own day this argument was objected to by Gaunilo, who maintained as a reductio ad absurdum that were it valid one could prove by means of it the actual existence somewhere of an ideal island far surpassing in riches and delights the fabled Isles of the Blessed.
The reconstitution of this particular dream illustrates the reductio ad absurdum of the two previous psycho-analytic "solutions."