Full Idea
The language of thought is taken to have subject/predicate form and include logical devices, such as quantifiers and variables.
Gist of Idea
Language of thought has subject/predicate form and includes logical devices
Source
E Margolis/S Laurence (Concepts [2009], 1.1)
Book Reference
'Stanford Online Encyclopaedia of Philosophy', ed/tr. Stanford University [plato.stanford.edu], p.2