Logic

Over 350 ingenious problems involving classical logic: logic is expressed in terms of symbols; syllogisms and the sorites are diagrammed; logic becomes a game played with two diagrams and a set of counters. Two books bound as one.

Lewis Carroll’s Symbolic logic : part I, Elementary, 1896, fifth edition, part II, Advanced, never previously published: together with letters from Lewis Carroll to eminent nineteenth-century logicians and to his "logical sister," and eight versions of the Barber-shop paradox / edited, with annotations and an introd., by William Warren Bartley, III.