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

question 26

Essay

determine whether the given argument is valid or invalid. If it is valid, provide a derivation of the conclusion from the premises. If it is invalid, provide a counterexample.
-1. ∼(I $\lor$ J)
2. J ⊃ (K ⊃ L)
3. K ≡ ∼L / L

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Definitions:

Principal Diagnosis

The main reason or condition for a patient's hospital stay or healthcare encounter, determined after evaluation.

Nerve Cells

Cells that transmit nerve impulses between parts of the body, comprising the nervous system, also known as neurons.

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Bipolar Disorder

A mental health condition characterized by significant mood swings, including manic episodes of high energy and depressive episodes of low mood.