The aim of this book is to review critically grammatical research into logical form over the past 20 years and to reconsider some of its major themes in the light of recent theoretical innovations. The book focuses especially on uantifier Raising and a host of conditions that have been proposed a constrain valid LF phrase markers. The second section considers what properties a "minimalist" LF should have. This material is by its nature more speculative. Among the topics broached are anticedent contained deletion constructions, weak crossover configurations and multiple interrogatives.