@article{DeBock2015IJAR2, title = "Conditioning, updating and lower probability zero", journal = "International Journal of Approximate Reasoning ", volume = "67", pages = "1 - 36", year = "2015", doi = "http://dx.doi.org/10.1016/j.ijar.2015.08.006", url = "http://www.sciencedirect.com/science/article/pii/S0888613X15001310", author = "Jasper De Bock and Gert de Cooman" }