Causal sets
（重定向自Causet）
![](/Images/godic/202501/03/CMS_Higgs-event5347.jpg")
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![A plot of geodesics between two points in a 180-point causal set made by sprinkling into 1+1 dimensions](/Images/godic/202501/03/CausalSet180Geodesic5347.png")
The causal sets programme is an approach to quantum gravity. Its founding principles are that spacetime is fundamentally discrete and that spacetime events are related by a partial order. This partial order has the physical meaning of the causality relations between spacetime events.