noun
Technical term in logic and linguistics for a word or symbol that expresses quantity, such as 'all', 'some', or 'no'.
「すべて」や「存在する」は量記号の一種です。
'All' and 'there exists' are types of quantifiers.
述語論理では、量記号を使って変数の範囲を
In predicate logic, quantifiers are used to specify the scope of variables.
Compound of 量 (quantity) and 記号 (symbol). A straightforward technical term with no obscure historical derivation.