Update definition of "later"

Otherwise L(v,M) is always null
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Kent Shikama 2018-01-14 22:30:27 +09:00
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@ -186,7 +186,7 @@ D(m) = &\{m\}\cup \bigcup_{m' \in J(m)} D(m')
This definition can be extended in a natural way to define the dependencies of a set of messages (by taking the union of the dependencies of the individual messages).
If $m_1 \prec m_2$, then we also say that $m_2$ is ``later'' than $m_1$ and write $m_2 \succ m_1$.
If $m_1 \prec m_2$ and $m_1 \neq m_2$, then we also say that $m_2$ is ``later'' than $m_1$ and write $m_2 \succ m_1$.
We now have the language to talk about the latest message from a sender $v$ out of a set of messages $M$, which we denote as $L(v, M)$: