Answer Happy

Determine whether the following argument is valid or invalid. If it is valid, give a proof. If it is invalid, give an assignment of truth values to the variables that mak premises true and the conclusion false. The animal is a spider or it is a worm. If it is a spider, then it has eight legs and it has two main body parts. It does not have eight legs or it does not have two ma body parts. Therefore, it is a worm Lets be that "the animal is a spider" w be that "the animal is a worm." e be that "the animal has eight legs," and b be that the animal has two main body parts " Choose the correct answer below OA. The argument is valid Svw, premise s(e Ab), premise -ev-b, premise (e Ab), DeMorgan's Law s, modus ponens w, disjunctive syllogism B. The argument is valid SVW, premise s(e Ab) premise. ev-b, premise (e A b), reasoning by transitivity CECETTE s, modus tollens w, disjunctive syllogism OC The argument is valid SVw premise s(e A b), promise -ev-b, premise (e Ab) DeMorgan's Law -s, modus tollens w disjunctive syllogism OD. The argument is not valid The truth values s is false, w is false, o is true, and b is true make the premises true and the conclusion false