Which of the following sets is NOT well-defined? Select one: a. The set of nice students in the class. b. The set of correct answers in the exam. c. The set of prime numbers. d. The set of all counting numbers less than ?π.

Which of the following sets is NOT well-defined? Select one: a. The set of nice students in the class. b. The set of correct answers in the exam. c. The set of prime numbers. d. The set of all counting numbers less than ?π.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Which of the following sets is NOT well-defined?

Select one:

The set of nice students in the class.

The set of correct answers in the exam.

The set of prime numbers.

The set of all counting numbers less than ?π.

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