6. Show that the following arguments are invalid, by drawing a counterexample world for each one. (i) (Large(a) |Large(a) A Large(b) Large(b)) (ii) Tet(a) v (Tet(b) A Tet(c)) (Tet(a) v Tet(b)) ^ Tet(c) Λ

6. Show that the following arguments are invalid, by drawing a counterexample world for each one. (i) (Large(a) |Large(a) A Large(b) Large(b)) (ii) Tet(a) v (Tet(b) A Tet(c)) (Tet(a) v Tet(b)) ^ Tet(c) Λ

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.2: Exponents And Radicals

Problem 92E

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Question

6.
Show that the following arguments are invalid, by drawing a counterexample world
for each one.
(i)
(Large(a)
|Large(a) A Large(b)
Large(b))
(ii)
Tet(a) v (Tet(b) A Tet(c))
(Tet(a) v Tet(b)) ^ Tet(c)
Λ

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