1. G ⊃ (H ⊃ I)

question 106

Multiple Choice

1. G ⊃ (H ⊃ I)
2. ∼(J ⊃ I)
3. ∼G ⊃ ∼J
-Which of the following propositions is derivable from the given premises using any of the twenty-five rules of PL and either the direct or conditional methods of proof?

• A) G ⊃ H
• B) ∼G
• C) ∼J
• D) I
• E) G ≡ ∼H

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Definitions:

Independent Variable

In an experiment, the variable that is purposely changed or varied by the researcher to explore its impact on the dependent variable.

Dependent Variable

In an experimental study, the variable that is tested and measured to see if it is affected by changes in the independent variable.

Monozygotic Twins

Twins that are genetically identical, arising from a single fertilized egg that splits into two, allowing researchers to study the effects of environment versus genetics.

Dizygotic Twins

Also known as fraternal twins, they develop from two separate eggs fertilized by two different sperm cells, sharing about 50% of their genes.