Contexts of qualification, '(x)( … x … )' and '(.thereExists.x)( … x … )', do not exhaust the ways in which … of singular description 'the object x such that … ' and others. However, the quantificational use of … sort of use. Every statement containing a variable … quantificational use. [Can also use class abstraction, functional abstraction, or combinators in place of quantification]
Google-1
Google-2
Copyright clearance needed for quotation.