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7.198
On the Puzzle of the Man who escapes Detection, addressed to Athenades, one book. Eighth series: Of the Nobody Puzzle, addressed to Menecrates, eight books. Of the Arguments derived from the Indeterminate and the Determined, addressed to Pasylus, two books. Of the Nobody Argument, addressed to Epicrates, one book. Ninth series: Of Sophisms, addressed to Heraclides and Pollis, two books. Of Dialectical Puzzles, addressed to Dioscurides, five books. Reply to the Method of Arcesilaus, dedicated to Sphaerus, one book. Tenth series: Attack upon Common Sense, addressed to Metrodorus, six books. Defence of Common Sense, addressed to Gorgippides, seven books.
7.198
V. Under Logic. Thirty-nine investigations outside the range of the four above-mentioned main divisions dealing with isolated logical investigations not included in separate wholes of the subjects enumerated. The total of the logical writings is three hundred and eleven.
