Through her interactions with the philosopher and logician Richard Montague at UCLA in the 1970s she played an important role in bringing together the research traditions of generative linguistics, formal logic, and analytic philosophy, pursuing an agenda pioneered by David Lewis in his 1970 article "General Semantics". She helped popularize Montague's approach to the semantics of natural languages among linguists in the United States, especially at a time when there was a lot of uncertainty about the relation between syntax and semantics.