00321nam a2200121 a 450000500170000002000150001708200170003210000200004924500380006926000350010730000230014249000340016520251203091815.0  a0415050529  a189,bD, knu  aKnuuttila, Simo  aModalities in medieval philosophy  aLoNew DelhionbRoutledgec1993  aviii,236p.c22 cm.  aTopics in medieval philosophy