A concept lattice is a mathematical structure that may be used to model an ontology (computer science).
It is an n-dimensional lattice, where each dimension describes a true-or-false answer to an axiomatic proposition, e.g.: "the sun will come up tomorrow", or "I am a mortal being".
See:
- http://www.infosun.fmi.uni-passau.de/st/papers/tr-95-09/
- http://www.ontologos.org/IFF/OntologyOntology/Introduction.htm
- Concept map
- http://cmap.coginst.uwf.edu/info/