Scope (logic)

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In logic, the scope of a quantifier or a quantification is the range in the formula where the quantifier "engages in". It is put right after the quantifier, often in parentheses. Some authors describe this as including the variable put right after the forall or exists symbol. In the formula ∀xP, for example, P (or xP^[1]) is the scope of the quantifier ∀x (or ∀).

A variable in the formula is

• Modal scope fallacy

Notes