A deceptive fact about functions
Volume 163 / 2000
Fundamenta Mathematicae 163 (2000), 83-93
DOI: 10.4064/fm_2000_163_1_1_83_93
Abstract
The paper provides a proof of a combinatorial result which pertains to the characterization of the set of equations which are solvable in the composition monoid of all partial functions on an infinite set.
