image of A. E. van Vogt

A. E. van Vogt

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The World of Null-A, sometimes written The World of Ā, is a 1948 science fiction novel by A. E. van Vogt. It was originally published as a three-part serial in Astounding Stories. It incorporates concepts from the General Semantics of Alfred Korzybski. The name Ā refers to non-Aristotelian logic.