quantify

verb ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about quantify at Wordnik → Where our words come from →

1. To assign a quantity to.
2. To determine the value of (a variable or expression).
3. To relate a statement (called a predicate) to a given set using a quantifier—either for all (denoted ∀) or there exists (denoted ∃).

   The statement (∀x∈ℝ)2x=x+x quantifies over the real numbers.