Determine Whether the Argument Is Valid or Invalid $\lor$

question 216

Multiple Choice

determine whether the argument is valid or invalid. If it is invalid, select a counterexample.
-1. I • (J $\lor$ H)
2) I ⊃ ∼J
3) H ≡ (K $\lor$ I) / K

• A) Valid
• B) Invalid. Counterexample when H and I are true and J and K are false
• C) Invalid. Counterexample when I is true and H, J, and K are false
• D) Invalid. Counterexample when H, I, and J are true and K is false
• E) Invalid. Counterexample when J is true, and H, I, and K are false

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Definitions:

Bilateral Contract

A type of agreement where both parties make a promise to each other to perform certain acts or refrain from performing certain acts.

Liquidated Debt

A debt with a fixed and determinable amount that is agreed upon by both parties.

Accord And Satisfaction

A legal concept where parties to a dispute resolve their differences through a mutually agreed upon solution, often involving payment in exchange for dropping a claim.

Unliquidated Debt

A debt for which the exact value has not been determined, often due to disputes over amount or the presence of damages.