COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 circum.pro[s84,jmc] Problems concerning circumscription C00003 ENDMK Cā; circum.pro[s84,jmc] Problems concerning circumscription 1. How can we make ostrich Tweety variable while not making ostrich in general variable? 2. How about an example that has a circumscription as a consequence? Look at MRS.