Truth, falsity, and unity
Sense, reference, and propositions
Frege and Russell on unity
The hierarchy of levels and the syntactic priority thesis
Logical predication, logical form, and Bradley's regress
Bradley's regress and the unity of the proposition.
The unity of the proposition by Richard Gaskin. ISBN 9780199239450. Published by Oxford University Press in 2008. Publication and catalogue information, links to buy online and reader comments.