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2 3 “非”命题教材教法研究“非”命题其实就是命题的否定 ,“非”运算就是构造一个命题的否定命题 ,这里应该不止只是对简单命题而言 ,基本的复合命题的否定也是应该理解的 ,因为反证法的核心就涉及命题的否定 .关于“非”命题也是逻辑教学的一个难点 .教师教学用书上 (第 1
2 3 “Non-” Proposition Teaching Method The study of “non-” propositions is actually the negation of propositions. “Non-calculation” is the construction of a negative proposition of propositions. This should be more than just for simple propositions. The basic compound proposition of negations should also be Understanding, because the core of anti-evidence law involves the negation of propositions. About “non-” proposition is also a difficult point in logic teaching. Teacher’s teaching book (first