RT Article T1 Marsilius of Inghen on the Definition of consequentia JF Vivarium VO 56 IS 3/4 SP 272 OP 291 A1 Ciola, Graziana LA English PB Brill YR 2018 UL https://www.ixtheo.de/Record/1582477809 AB This paper offers an analysis of Marsilius of Inghen’s definition of consequentia and of his treatment of logical validity as presented in the first book of his treatise on Consequentiae. Comparing Marsilius of Inghen’s, John Buridan’s, and Albert of Saxony’s theories, the author argues that Marsilius’ account is based on a conception of consequence as a relation of entailment among propositions rather than as a type of conditional sentence and, thus, moves the discussion away from the sentential level. Therefore, Marsilius’ theory represents an original and important contribution to fourteenth-century discussions on consequences. K1 Marsilius of Inghen : John Buridan : Albert of Saxony : consequentiae : validity DO 10.1163/15685349-12341359