Carol Karp. An algebraic proof of the Barwise compactness theorem. The syntax and semantics of infinitary languages, edited by Jon Barwise, Lecture notes in mathematics, no. 72, Springer-Verlag, Berlin, Heidelberg, and New York, 1968, pp. 80–95.

Abstract

Carol Karp. An algebraic proof of the Barwise compactness theorem. The syntax and semantics of infinitary languages, edited by Jon Barwise, Lecture notes in mathematics, no. 72, Springer-Verlag, Berlin, Heidelberg, and New York, 1968, pp. 80–95. - Volume 39 Issue 2