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Concurrent Systems/notes/12 - CCS (che non so cosa voglia dire).md
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@ -19,9 +19,14 @@ The set of actions we shall consider is: $N \cup \bar{N} \cup \{\tau\}$
It is also useful to force some processes of the system to synchronize between them (without the possibility of showing to the outside some actions)
The restriction operator P\a restricts the scope of name a to process P (a is visible only from within P)
https://en.wikipedia.org/wiki/Calculus_of_communicating_system
This is similar to local variables in a procedure of an imperative program
The set of CCS processes is defined by the following grammar:
$$P::=\sum_{i \in I} \alpha _{i}.P_{i} \space |\space A(a_{1}\dots a
_{n})\space|\space P|Q \space | P$$
![](images/Pasted%20image%2020250414103800.png)
![](images/Pasted%20image%2020250414104010.png)