Future-distinguishing spacetime
= Future-distinguishing spacetime
A spacetime is future-distinguishing when $I^+(p)=I^+(q)$ implies $p=q$. Every <strongly causal> spacetime is future-distinguishing.
= Future-distinguishing spacetime
A spacetime is future-distinguishing when $I^+(p)=I^+(q)$ implies $p=q$. Every <strongly causal> spacetime is future-distinguishing.