Slide 1Truth-Tables Slide 2 Recap Slide 3 Deductive Validity We say that an argument is deductively valid when it has the following property: If the premises of the argument…

Slide 1Sentential Logic 2 Slide 2 REVIEW Slide 3 Deductive Validity We say that an argument is deductively valid when it has the following property: If the premises of the…

Slide 1Chapter Five Conditional and Indirect Proofs Slide 2 1. Conditional Proofs A conditional proof is a proof in which we assume the truth of one of the premises to show…

Slide 1 Predicate Logic Slide 2 Goal of Logic The goal of logic is to develop formal tests for validity. This is done by finding deductively valid argument forms. In SL,…

Slide 1 Validity: Long and short truth tables Sign In! Week 10! Homework Due Review: MP,MT,CA Validity: Long truth tables Short truth table method Evaluations! For Next Time:…

Truth-Tables Truth-Tables Midterm Grades Grade Distribution Statistics Mean: 34 Median: 34 Mode: 32 Recap Deductive Validity We say that an argument is deductively valid…

Chapter Nine Predicate Logic Proofs 1. Proving Validity The eighteen valid argument forms plus CP and IP that are the proof machinery of sentential logic are incorporated…

Truth-Tables Truth-Tables Recap Deductive Validity We say that an argument is deductively valid when it has the following property: If the premises of the argument are true,…

Predicate Logic Predicate Logic Goal of Logic The goal of logic is to develop formal tests for validity. This is done by finding deductively valid argument forms. In SL,…