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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 exists during y if and only if: 1) the time point at which x begins to exist is after or equal to the time point at which y begins and 2) the time point at which x ceases to exist is before or equal to the point at which y ends. Formally: x existence starts and ends during y iff α(x) >= α(y) & α(x) <= ω(y) & ω(x) <= ω(y) & ω(x) >= α(y)

has exact synonym

exists during

term editor

Chris Mungall

Property relations