Line 185 - Speifies that extrensic properties must be able to clear in the market. Emix should focus on information exchange not defining what markets clear during their operation.

remove the statement following the semicolon ": extrensic propertis must..."

EMIX Artifacts communicate both intrinsic and extrinsic properties; EMIX is designed to support markets in which extrinsic properties must clear in the market just as do intrinsic properties as well as those whose rules work only with the commodity good.