This book investigates the syntactic structure of conditional sentences to argue that 'if'-clauses function as tacit quantifiers over events, circumstances, or conditions. William G. Lycan, a prominent philosopher of language, utilizes linguistic data to challenge existing semantic models that prioritize logic over syntax. By shifting the focus toward the grammatical behavior of conditionals, the author proposes a robust semantic framework that accounts for complex constructions like 'only if,' 'even if,' and 'unless.'

Experts recognize this work as a significant contribution to the intersection of formal semantics and syntactic theory. Scholars frequently note the technical precision of the arguments and the clarity with which Lycan addresses long-standing problems in the analysis of conditional logic.