Practice question · True or false
For , both and are true.
Hints
- What are the members of A?
- 1 is a member; is a subset.
Show the answer
False
Why
False. The members of are 1 and 2, so holds but does not, is a subset, written . Membership and inclusion are different relations, and the distinction becomes essential once sets contain other sets.
Practise Sets and Set-Builder Notation
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