HISTORICAL INTRODUCTION Although many of the details of the development of logic in the Middle Ages remain to be filled in, it is well known that between ...

"For riding is required a horse"--"I promise you a horse"--Chimeras and imaginary objects--Theories of the proposition--The structure of mental language--Mental language and the unity of propositions--"Do words signify ideas or things?"--Locke on language--The doctrine of exponibilia in the fifteenth and sixteenth centuries--Multiple quantification and the use of special quantifiers in early sixteenth century logic--Thomas Bricot(d. 1516) and the Liar paradox--Will Socrates cross the bridge?