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Logic's Lost Genius: The Life of Gerhard ...
by Menzler-Trott, Eckart; Smorynski, Craig; Griffor, Edward R.
ISBN: 9780821835500
Copyright:
Hardcover
Gentzens Problem
by Plato, J. V. (CON); Menzler-Trott, Eckart
ISBN: 9783034895170
Paperback