The relations here were created based on work originally by Fabian Neuhaus and David Osumi-Sutherland. The work has not yet been vetted and errors in definitions may have occurred during transcription.

x existence ends with y if and only if the time point at which x ends is equivalent to the time point at which y ends. Formally: x existence ends with y iff ω(x) = ω(y).

Chris Mungall