Question

Let A = {1, 2, …, 8, 9}, B = {2, 4, 6, 8}, C = {1, 3, 5, 7, 9}, D = {3, 4, 5}, E = {3, 5}. Which of these sets can equal a set X under the condition below? Condition: (c) X ⊆ A but X ⊈ C

Answer 1

Step-by-step explanation:

all sorts of situations we classify objects into sets of similar objects and count them. This procedure is the most basic motivation for learning the whole numbers and learning how to add and subtract them.

Such counting quickly throws up situations that may at first seem contradictory.