= Quantifiers = '''Quantifiers''' express a domain. <> ---- == Description == The '''existential quantifier''' is a statement that at least some value exists. It is notated as ''∃'', as in ''∃ x ∈ R'' which should be read as 'there exists a value in the set of real numbers'. The '''universal quantifier''' is a statement about all values. It is notated as ''∀ x ∈ R'' which should be read as 'for all values in the set of real numbers'. ---- CategoryRicottone