1. (∃X)(Ax • Bx) ⊃ (∀X)Dx

question 14

Multiple Choice

1. (∃x) (Ax • Bx) ⊃ (∀x) Dx
2. ∼Da
-Which of the following propositions is an immediate (one-step) consequence in M of the given premises?

• A) ∼Dx
• B) (∃x)(Ax • Bx) ⊃ ∼(∃x)∼Dx
• C) ∼(∀x)(Ax • Bx) ⊃ (∀x)Dx
• D) ∼(∀x)(Ax • Bx) ⊃ ∼(∃x)∼Dx
• E) (Ax • Bx) ⊃ (∀x)Dx

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Definitions:

Evidence

Information or signs that are used to determine whether beliefs or propositions are true or valid, particularly within the framework of forming a solid foundation for a scientific hypothesis or legal case.

Radical Addition

A type of chemical reaction where free radicals add to double or triple bonds in unsaturated substrates to form more stable radicals.

Regioselectivity

The preference of one direction of chemical bond making or breaking over all other possible directions, often observed in chemical reactions.

2-methylpropene

An alkene with the molecular formula C4H8, characterized by a double bond and a methyl group attached to the second carbon in the chain.