rem: function not(kappa) { return function(x) { return kappa(!x); }} 
add: function not(kappa) { return function(x) { kappa( !x ); } } 
context: function not(kappa) { return function(x) { return kappa(!x); }}
meta: 3248	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3248/c508a604f1a1504098e30a31b840d53bdb860a13/jslib.js/clean/jslib.js