1. a ⊃ B

question 142

Multiple Choice

1. A ⊃ B
2. ∼B
3. ∼A ⊃ ∼C
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

• A) A
• B) B
• C) C
• D) ∼A
• E) ∼C

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Definitions:

Twin-Study Method

A research strategy used in genetics and psychology to differentiate between genetic and environmental influences by comparing the similarities between monozygotic (identical) and dizygotic (fraternal) twins.

Adoptive Families

Families where one or more children have been legally adopted, creating a familial bond.

Twin-Study Method

A research design used to estimate the genetic and environmental influences on behavior by comparing the similarities between identical and fraternal twins.