On the Theory of Types
Willard Van Orman Quine
Ideas Pertaining to a Pure Phenomenology and to a Phenomenological ...
Edmund Husserl
Substitution versus Fixed Production Coefficients in the Theory ...
Leif Johansen
Proceedings of the Fifth Latin American Symposium on Mathematical ...
Roberto Cignoli & Ayda Arruda & Leopoldo Bertossi & Martin Bunder & Rolando Chuaqui & Newton C.A. Da Costa & Carlos A. Di Prisco & Itala M. L. D'ottaviano & Solomon Feferman & Andre Joyal & Gonzalo E. Reyes & E. G. K. Lopez-Escobar & Klaus Madlener & F. Otto & Jerome Malitz & Jan Mycielski & William N. Reinhardt & Val Plumwood & Richard Sylvan
I, Pencil
Leonard E. Read