Derive the Conclusions of Each of the Following Arguments Using $\lor$

question 170

Essay

derive the conclusions of each of the following arguments using the rules of inference from section 3.4 (MP, MT, DS, HS, Add, Conj, Simp, CD, DM, Dist, Assoc, Com, DN, Cont, Impl, Equiv, Exp, Taut).
-1. A ⊃ (B ⊃ C)
2. ∼C $\lor$ (D • E)
3. ∼(D $\lor$ F) / ∼A $\lor$ ∼B

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Definitions:

Writing a Claim Message

The process of composing a communication that makes a request or demands action, typically based on a right or agreement.

Positive Relationship

A connection between people that is characterized by mutual respect, trust, support, and positive communication.

Blunt

Being direct and straightforward in communication without the use of softening words or phrases.

Indirect Claim Message Goal

The aim to address a complaint or request in a way that minimizes potential conflict or offense, often by explaining the situation before presenting the actual claim.