Documents Lesson 3 Validity of arguments Marie Duží. Logical entailment A formula A logically follows from a...

Slide 1Lesson 3 Validity of arguments Marie Duží Slide 2 Logical entailment A formula A logically follows from a set of formulas M, denoted M |= A, iff A is true in every…

Documents L esson 3

Lesson 3 Validity of arguments Marie Duží Logical entailment A formula A logically follows from a set of formulas M, denoted M |= A, iff A is true in every model of the…