2.Is the definition of a tautology an existential statement or a universal statement?Can youdepend on luck to show that a proposition is a tautology?Explain your answer.[10]
题目答案请扫描下方二维码查看。
Related
Previous Postl.Determine whether the proposition-(p→-q)→(pV(g→-p)is satisfiable or not.Then
Next Post3.Consider the structure R=(R,+,×,<).We say that a set CC R is definable in R if