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Concurrent Systems/notes/14.md
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@ -36,4 +36,15 @@ replacing one by one every continuation with its standard form, obtaining standa
![](../../Pasted%20image%2020250429085319.png)
### Axioms & Rules for Weak Bisimilarity
![](../../Pasted%20image%2020250429091029.png)
#### Example
A server for exchanging messages, in its minimal version, receives a request for sending messages and delivers the confirmation of the reception
Specification: $$Spec \triangleq send.\overline{rcv}$$
The behavior of such a server can be implemented by three processes in parallel:
- one handles the button for sending
- another one effectively sends the message (through the restricted action *put*) and waits for the signal of message reception (through the restricted action *go*)
- the last one gives back to the user the outcome of the sending
$$S \triangleq send.\overline{put} \quad M \triangleq send.\overline{put}$$