Which of the following statement is a tautology? А)((prarrq)^^(~q))rarr(~p)" " B) (prarrq)^^(~q))rarr P " "C)((p rarr q)^^q))rarr(~p) " "D)((prarrq)^^q))rar
p ^^ (p vv q) is F, when p -= F p vv (p ^^ q) is F, when p -= F, q -= F and q to [p ^^ (p to q)] is F, when p -= F, q -= T. All elements of [p ^^ (p to q)] to q are true, so it a tautology.
Which of the following is a cyclic group? A) The set of all integral multiples of 6 under addition. B) The set of 2x2 matrices having integer entries under addition. C) The set of symmetries of an equilateral triangle under function composition...
Question: Which of the following is NOT used in SWOT analysis to set the brand's direction in a competitive environment? A. Segmentation B. Weaknesses C. Opportunity D. Threats SWOT Analysis: A SWOT analysis is...
To install the required libraries, run the following command out of the root of the repository. This should allow all of the programs to at least start, but it still requires a MySQL database for many of them to be useful. This step has a dependency on an isntalled MySQL server and cli...
2. The ___ function (sometimes also referred to as experiential function) is realized by the transitivity system of language.A. ideational B. interpersonal C. textual D. logical 正确答案：3. The features which are found over a segment or a sequence of two or more segments are called ___...
Among the timeless questions that are debated endlessly from generation to generation, such as “What is the meaning of life?” and “Does the refrigerator light go off when the door is closed?” is one that veterinarians and cat owners are particularly familiar with: “Is feeding canned or...
美联储一直想推出第三次量化宽松货币政策(简称QE3)，以推动美国经济复苏。如果美联储推出QE3，则全球美元供给将再次大幅增加，各国要维护汇率稳定，就不得不购买美元资产。如果各国购买美元资产，则会加大本国通货膨胀压力。如果不想输入通货膨胀，各国就要让本币升值。如果本币升值，则会抑制本国出口，导致经济滑坡。
To install the required libraries, run the following command out of the root of the repository. This should allow all of the programs to at least start, but it still requires a MySQL database for many of them to be useful. This step has a dependency on an isntalled MySQL server and cli...
If p and q are two statements, then which of the following statement is a tautology Ap⇒(p∨~q) B(p∨q)⇒p Cp⇒(p∧q) Dp⇔(p⇒q)Submit If p∵'4 is an odd number'' and q : ''43 is an even number'' are two statements, then which of the following statements is ...