Full Idea
Substitutional quantification may be regarded as referential quantification over expressions.
Gist of Idea
Substitutional quantification is referential quantification over expressions
Source
Kit Fine (Quine on Quantifying In [1990], p.124)
Book Reference
Fine,Kit: 'Modality and Tense' [OUP 2005], p.124
A Reaction
This is an illuminating gloss. Does such quantification involve some ontological commitment to expressions? I feel an infinite regress looming.