ratiocinator

“The father of mysteries dies of unknown causes after a three-day disappearance; the ratiocinator and critic willingly embraces Lethe and Nepenthe.”

princeofcairo: Two Hundred Circling Years

“According to Schröder, Frege's system is less of a ˜general characteristic™ and more of a calculus ratiocinator, and its development would have been significant, had it not already been achieved by others (esp. by Boole).”

Leibniz's Influence on 19th Century Logic

“In his Begriffsschrift, Frege wrote that the idea of a general characteristic, of a calculus philosophicus or ratiocinator was too ambitious to be achieved by Leibniz alone.”

Leibniz's Influence on 19th Century Logic

“He mentioned the different names used by Leibniz: lingua characterica universalis (in fact Trendelenburg's term; Leibniz used characteristica universalis), alphabet of human thoughts, calculus philosophicus, calculus ratiocinator, spécieuse générale.”

Leibniz's Influence on 19th Century Logic

“Here Leibniz 'ideal of a calculus of reasoning (calculus ratiocinator) comes to the fore again.”

AXIOMATIZATION

“Mr. Russell himself is far too witty and athletic a ratiocinator simply to repeat the slander dogmatically.”

Meaning of Truth

“Once again, we got the message: the non-Bush, the thoughtful ratiocinator.”

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“-- "O literal ratiocinator, and dull to the true logic of”

The Caxtons — Volume 12