query: Difference between validity and satisfiability?
positive_passages.docid: 153161
positive_passages.text: How to find if a valuation satisfies a statement?
negative_passages.docid: 35370
negative_passages.text: Why is this proposition provable and its converse not?
negative_passages.docid: 72034
negative_passages.text: Truth table and the meaning of $\oplus$ in propositional logic
negative_passages.docid: 46166
negative_passages.text: "Criteria" versus "criterion"
negative_passages.docid: 35767
negative_passages.text: What is the difference between a predicate and function?
negative_passages.docid: 27104
negative_passages.text: Confused between Nested Quantifiers
negative_passages.docid: 29629
negative_passages.text: Distinguishing between valid and fallacious arguments (propositional calculus)
negative_passages.docid: 139278
negative_passages.text: If $\Gamma$ is satisfiable then $\Gamma$ is consistent
negative_passages.docid: 130028
negative_passages.text: Why is a statement "vacuously true" if the hypothesis is false, or not satisfied?
negative_passages.docid: 45481
negative_passages.text: Prove or disprove validity: $(\forall x \exists y (P(x) \supset Q(y))) \supset(\exists y \forall x (P (x) \supset Q(y)))$
negative_passages.docid: 113861
negative_passages.text: Exist vs exists in mathematics
negative_passages.docid: 41179
negative_passages.text: "Outcome" Vs "Result"
negative_passages.docid: 22193
negative_passages.text: Why, logically, is proof by contradiction valid?
negative_passages.docid: 136584
negative_passages.text: Understanding connection between terms tautology, contradiction, contingent, satisfiable, unsatisfiable, valid and invalid
negative_passages.docid: 31316
negative_passages.text: Expression Versus Statement
negative_passages.docid: 17037
negative_passages.text: When are "if" and "whether" equivalent?
negative_passages.docid: 86248
negative_passages.text: Is $\exists x(x=a)$ a valid formula in first order logic with equality?