Labels:book | bulletin board | daybook | earth | mountain | paper | poster | reckoner | sky | tree OCR: PuMPING LEM MA 71791 context feee ... ProPErty where dz/S1 VX y Such that uV'X Ai 0 AND AWp /vxy show not context free aM must Show that DUMPING PROPERTY holds NO7 PUMPING PROPERTY where 1s/=p uvXy Suci HiZ0 71797 foee language 1vxy shon