The logicalformulas are an ordered binary pair, the first element is an assertion and the second is a definable domain or approximations of undefinable domain corresponding to the assertion.
Physics exercises teaching in the university may help students know the concept of physics, laws and formulas, and develop their logical thinking ability.
大学物理习题教学可帮助学生掌握物理概念、定律及公式，培养学生的逻辑思维能力。
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An approach to determining net quantity-demand in the MRP logical operation is analyzed. The formulas of determining net quantity-demand in the literature are discussed.