Question: Assume T _ 1 rightarrow T _ 2 appears at some point in the wait - for graph in a system running 2 PL

Assume T_1\rightarrow T_2 appears at some point in the wait-for graph in a system running 2PL and neither transaction aborts. The following edge, if any, must necessarily appear in the precedence graph at this point or in the future (True or False).
T_1\rightarrow T_2
True or False

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