Warning: file_put_contents(): Only 0 of 6300 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 propositional calculus英英字典_propositional calculus剑桥英语解释_propositional calculus柯林斯英文解释_魏碑心思朗文词典
1. N the system of symbolic logic concerned only with the relations between propositions as wholes, taking no account of their internal structure 命题演算→compare predicate calculus