Element of Symbol ∈

Element of Symbol is the notation page for ∈, encoded as U+2208 (ELEMENT OF). ∈ is U+2208 ELEMENT OF. The statement x ∈ A means that x is a member of the set A. The reviewed boundary is this: ∈ is U+2208 ELEMENT OF. Common corrections are needed when authors are reversing the member and set, using ε as a substitute for ∈, and confusing ∈ with subset relations ⊂ or ⊆. Formatting should follow these retained rules: place the member on the left and the set on the right, use ∉ for a stated non-membership relation, keep ∈ distinct from ε and ∊, and define specialized sets when their symbols may be unfamiliar. In markup, use the literal character or the complete references ∈ and ∈; the saved CSS form is 2208. This page covers the set-membership relation ∈, not chemical-element symbols and not the similar-looking Greek letter epsilon ε. Place the member on the left and the set on the right. Reversing the member and set. For Element of Symbol, the approved examples “3 ∈ ℕ,” “x ∈ A,” and “0 ∈ {0,1}” cover Set theory, Probability notation, and Number-system statements. Test element of symbol rendering, copying, search, and accessibility in the final application. Using ∈ as the only accessible name of an interactive control. After publishing, confirm that copying the visible form returns U+2208.