00635nam a2200217 i 450099100435373790753620241126122636.0241126s1972 -us er 001 0 eng d019501491XBibl. Dip.le Aggr. Studi Umanistici - Sez. FilosofiaitaSocioculturale Scseng16023Mates, Benson49136Elementary logic /Benson Mates2. ed.New York :Oxford university press,1972XII, 237 p. ;24 cmLogica991004353737907536Elementary Logic339122UNISALENTO