A Decision Procedure for a Sublanguage of Set Theory Involving Monotone, Additive, and Multiplicative Functions, I: The Two-Level Case.

Calogero G. Zarba Domenico Cantone Jacob T. Schwartz A Decision Procedure for a Sublanguage of Set Theory Involving Monotone, Additive, and Multiplicative Functions, I: The Two-Level Case. 251-269 2004 33 J. Autom. Reasoning 3-4 http://www.springerlink.com/index/10.1007/s10817-004-6243-3 db/journals/jar/jar33.html#ZarbaCS04