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

question 227

Multiple Choice

determine whether the argument is valid or invalid. If it is invalid, select a counterexample.
-1. ∼A $\lor$ B
2) ∼B ⊃ (C ⊃ D)
3) C ≡ ∼D / ∼C

• A) Valid
• B) Invalid. Counterexample when A, B, and C are true and D is false
• C) Invalid. Counterexample when A and C are true and B and D are false
• D) Invalid. Counterexample when C is true and A, B, and D are false
• E) Invalid. Counterexample when B, C, and D are true and A is false

Analyze the impact of globalization and economic policies on workers and industries.

Assess the role of government and public policy in shaping economic conditions and labor rights.

Understand the concept of telecommuting and its implications for workers and businesses.

Recognize the evolution of urbanization and its relationship with economic changes and technology.

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Definitions:

Headwaters

The location or general area where a stream or river begins.

Perennial

Describes plants that live for more than two years or streams that flow continuously throughout the year.

Gradient

A rate of inclination or slope, or the rate at which a physical quantity changes with respect to change in another quantity.

Cross-sectional Area

The area of a particular section of an object or material that is exposed when it is cut through by a plane.