Mathematics for IGCSE & O level - Sets (Section 3 - No. 21)

In the context of set theory, what does the notation '∉' mean?

Is an element of

Is not an element of

Subset of

Not a subset of

Тайлбар

'∉' means 'is not an element of'.

Смхиман (0)

Сурталчилгаа

Javascript-д энэ хуудсыг зохих ёсоор ачаалахыг зөвшөөрнө үү