rem: function not(x) { return !x; } 
add: function not(kappa) { return function(x) { return kappa(!x); }} 
context: function not(x) { return !x; }
meta: 3248	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3248/067f1f0f89b088c12115062ef8d37890796fcc1b/jslib.js/clean/jslib.js