Sets
2 marks · NormalState whether the following statement is true or false: If is an element of both sets and , then .
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True
Common mistakes: Incorrectly saying 'false'
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Marking points
B1 · 1 mark · States 'True'.
B1 · 1 mark · Reasoning: because intersection means "in both sets".
Worked solution
True. The intersection K \cap L contains all elements found in both K and L.