math2

Which statement is false?
a ¡ô {a, b, c}
¨ª ¡ø {a, b, c}
¨ª ¡ö {a, b, c}
¨ª ¡ô {a, b, c}

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  1. I cannot read the symboles in the different choices.

    If you find one which reads:
    a ∉ {a,b,c}
    it would be false.

    Alternatively, if you would repost using encoding: Western ISO-8859-1, it will be understandable to me.

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