If C = {x | x is an even integer}, what is the power set of C?

Practice Questions

Q1
If C = {x | x is an even integer}, what is the power set of C?
  1. {∅, {0}, {2}, {0, 2}}
  2. {∅, {0}, {2}, {0, 2}, {4}}
  3. Infinite
  4. None of the above

Questions & Step-by-Step Solutions

If C = {x | x is an even integer}, what is the power set of C?
  • Step 1: Understand what set C is. C is the set of all even integers, like -4, -2, 0, 2, 4, 6, and so on.
  • Step 2: Know what a power set is. The power set of a set is the set of all possible subsets of that set.
  • Step 3: Realize that C is an infinite set because there are infinitely many even integers.
  • Step 4: Understand that the power set of an infinite set is also infinite. This means it has infinitely many subsets.
  • Step 5: Conclude that since C is infinite, its power set is also infinite.
  • Power Set – The power set of a set is the set of all possible subsets, including the empty set and the set itself.
  • Infinite Sets – An infinite set has an unbounded number of elements, and its power set is also infinite.
  • Even Integers – Even integers are integers that are divisible by 2, forming an infinite set.
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