Kyburg , Henry E.. Uncertain Inference / Textual Documents Henry E.Kyburg & Choh Man Teng. - 1st ed. / - Cambridge : Cambridge University Press , 2001. - 295p. ; 22cm. ISBN: 0 521 80064 1 Subjects--Index Terms: Probabilities G-Mathematics Dewey Class. No.: 519.54 / Ky 981 Un