1 a ⊃ (B $\lor$ C)
2 ∼A $\lor$

question 115

Multiple Choice

1. A ⊃ (B $\lor$ C)
2. ∼A $\lor$ (D $\lor$ E)
3. ∼(C $\lor$ E)
-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) A ⊃ C
• B) A ⊃ E
• C) A ⊃ (B • C)
• D) A ⊃ (D • E)
• E) A ⊃ (B • D)

---

Definitions:

Amino Acids

Organic compounds that combine to form proteins and are used by the body for various functions including tissue repair and the synthesis of neurotransmitters.

Fatty Acids

Organic compounds made of long hydrocarbon chains ending in a carboxylic acid group, essential in diet and biology for energy storage and cell membrane structure.

Peptide

Short chain of amino acids linked by peptide bonds.