1st UNILOGMontreux, Switzerland 2005
2nd UNILOG XI'an, China 2007
UNIVERSAL LOGIC
Logica Universalis
Towards a General Theory of Logic
Studies in Universal Logic
Anthology of Universal Logic
What is universal logic?
3rd UNILOGLisbon, Portugal 2010
4th UNILOG Rio de JaneiroBrazil 2013
