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Reviews - Anders Wedberg. Johdatus nykyiseen logiikkaan (Introduction to modern logic). Finnish translation of the foregoing by Otso Aalto, with a preface by Eino Kaila. Kustannusosakeyhtiö Otava, Helsinki1947, 150 pp. - Dimitri Riabouchinsky. Sur les nombres d'origine imaginaire et la notion de signe d'un nombre complexe. Comptes rendus hebdomadaires des séances de l'Académie des Sciences (Paris), vol. 225 (1947), pp. 1104–1106. See Errata, ibid., vol. 226 (1948), p. 136.
Published online by Cambridge University Press:
12 March 2014
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