State whether the following statement is correct or incorrect. Write the correct form if the incorrect statement: φ ∈ {a, b}
The statement "ϕ∈{a,b}" is incorrect.
To correct the statement, we need to provide a valid expression on the left-hand side of the membership operator (∈). The left-hand side should be an element that we are checking for membership in the set on the right-hand side.
For example, if we want to check whether the element "ϕ" is a member of the set {a, b}, the correct statement would be: ϕ ∈ {ϕ, a, b}.
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