Construct a Derivation to Prove That Each of the Following $\lor$

question 222

Essay

Construct a derivation to prove that each of the following propositions is a logical truth of PL using any of the twenty-five rules and conditional proof.
-[(P $\lor$ Q) ⊃ R] ⊃ [S ⊃ (Q ⊃ R)]

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Definitions:

Cultural Forces

Cultural forces are the collective influences that shape the behaviors, values, perceptions, and practices of a society or a group of people.

Mental Disorder

A wide range of conditions that affect mood, thinking, and behavior, often leading to distress or impairment in daily functioning.

Individualism

The moral stance, political philosophy, or social outlook that emphasizes the moral worth of the individual and prioritizes individual autonomy and self-reliance.

Symptoms Variation

Refers to the different manifestations or appearances of symptoms across individuals or conditions.