accessed 8/4/04 at http://spiedl.aip.org/getabs/servlet/GetabsServlet? prog=normal&id=PSISDG003375000001000280000001&idtype=cvips&gifs=yes 91 Staff. “Hand-held radar device detects breathing, heartbeats” Design News, Jan 19, 1998. Accessed 7/30/04 at http://www.designnews.com/article/CA110182?stt=001&text=hand%2Dheld+radar 92 Raytheon Company, Corporate Communications, 870 Winter Street, Waltha...

The correctness of computer hardware and software is an area of growing theoretical interest and practical importance. It is now widely acknowledged that e ective reasoning about program correctness requires: (i) the use of appropriate formalisms, such as temporal logic or automata, for rigorously specifying correct behavior, and (ii) the use of mechanical reasoning algorithms, such as model ch...