Mathematics for IGCSE & O level - Sets (Section 1 - No. 4) | ExamPlay

Mathematics for IGCSE & O level - Sets (Section 1 - No. 4)

Which of the following symbols is used to represent 'is not a subset of'?

∉

⊈

∁

∩

Vysvětlení

The correct symbol is ⊈

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