Problem

Determine if the set A = {1, 2, 4} is a subset of the set B = {1, 2, 3, 4, 5}.

Answer

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Answer

Therefore, since every element of A is also an element of B, we can say that A is a subset of B.

Steps

Step 1 ：First, recall the definition of a subset. A set A is a subset of a set B if every element of A is also an element of B.

Step 2 ：Now, we will check if every element in set A is also in set B. 1 is in both sets, 2 is in both sets, and 4 is in both sets.

Step 3 ：Therefore, since every element of A is also an element of B, we can say that A is a subset of B.

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