Quantification for Peirce's preferred system of triadic logic Atwell R. Turquette OriginalPaper Pages: 373 - 382
A new modal language with the λ operator Ermanno BencivengaPeter W. Woodruff OriginalPaper Pages: 383 - 389
Distributive lattices with a dual homomorphic operation. II Alasdair Urquhart OriginalPaper Pages: 391 - 404