[□=□] □ □
[lemma=□] □ □
( A list of participants can be found in Appendix A. ) They were organized into three working groups , each of which was given a specific task following a meeting of the group as a whole in March 1999 . A feature of this scenario is that it includes a number of different types of user , each of which has different information needs , and so each of which should be sent a different subset of the reports generated by the entities in the system . The term " propositional representation " is used to describe subject matter in a hypothetical mental language in single statements each of which is either true or false . No exception may be made under subsection ( a ) ( 3 ) of this section with respect to compressed gas cylinders designed to be used for the transport and storage of compressed gases whether or not certified prior to exportation to have been made in accordance with the safety requirements of sections 178.36 through 178.68 of title 49 , Code of Federal Regulations , each of which shall be marked with the English name of the country of origin by means of die stamping , molding , etching , raised lettering , or an equally permanent method of marking .