百度试题 结果1 题目(10%)Show thatthe implication(pq)(pq)is a tautology___.(寫在背後,用truth table做至多給5分) 相关知识点: 试题来源: 解析 without using truth tables 反馈 收藏
The last step is to make the disjunction, which, in these examples, gives the true value of the table. The disjunction is false when both arguments are false; in other cases it is true. Answer and Explanation: We construct the tabl...
regardless of the truth values assigned to its component atomic statements. Equivalently, in terms of truth tables: Definition: A compound statement is a contradiction if there is an F beneath its main connective in every row of its truth table. Examples It is raining and it is not raining...
Truth table of [(pvvq)vvr] harr [pvv(qvvr)] Thus, for all possible truth values of p,q and r , the compound statements : [pvvq)vvr] harr [pvv(qvvr)] is true. :. [(pvvq)vvr] harr [pvv(qvvr)] is a tautology.