 Burley [Burleigh], Walter |  consequence, medieval theories of |  Heytesbury, William |  insolubles [= insolubilia] |  logic: and games |  Marsilius of Inghen |  medieval philosophy: literary forms of |  modality: medieval theories of |  Ockham [Occam], William |  Paul of Venice |  propositions |  Richard the Sophister [Ricardus Sophista, Magister abstractionum] |  sophismata [= sophisms] |  William of Sherwood 