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

question 1

Essay

derive the conclusions of each of the following arguments using the rules of inference from section 3.3 (MP, MT, DS, HS, Add, Conj, Simp, CD, DM, Dist, Assoc, Com, DN).
-1. (A $\lor$ B) ? ?C
2. C $\lor$ D
3. E • A
4. F / D • F

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Definitions:

Actual Performance

Actual performance refers to the tangible, measured outcomes of activities or tasks, as opposed to planned or expected results.

Fixed Factory Overhead Volume Variances

The difference between the budgeted and actual volume of production, affecting the fixed overhead costs.

Capacity

The maximum level of output that a company can sustain to make a product or provide a service, considering the available resources.

Managers

Individuals responsible for directing and overseeing the operations and strategy of an organization or a part of it.