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Provide a Conterexample in a Finite Domain to Each Given

Question 55

Essay

provide a conterexample in a finite domain to each given invalid argument.
-1. (∃x)(Hx • Ix)
2. (∃x)(Hx • ∼Ix)
3. (∀x)(Jx ⊃ Ix) / (∀x)(Jx ⊃ Hx)

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