Undecidable Theories

Undecidable TheoriesThis graduate level book is well known for its proof that many mathematical systemsincluding lattice theory, abstract projective geometry, and closure algebrasare undecidable. Based on research conducted from 1938 to 1952, it consists of three treatises by a prolific author who ranks among the greatest logicians of all time. The first article, "A General Method in Proofs of Undecidability," examines theories with standard formalization, undecidable

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New Introduction by Martin Gardner

A misericorde is a medieval poniard or dagger made for one purpose — to give the coup de grace or killing stroke

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