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He subsequently wrote three novels merging these overarching themes, The World of Null-A and The Pawns of Null-A in the late 1940s, and Null-A Three in the early 1980s.

Null-A, or non-Aristotelian logic, refers to the capacity for, and practice of, using intuitive, inductive reasoning ( compare fuzzy logic ), rather than reflexive, or conditioned, deductive reasoning.