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Marco Realacci 2025-04-08 09:21:02 +02:00
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commit 69568f719e
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.obsidian/workspace.json vendored
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@ -213,6 +213,7 @@
"lastOpenFiles": [ "lastOpenFiles": [
"Concurrent Systems/slides/class 11.pdf", "Concurrent Systems/slides/class 11.pdf",
"Concurrent Systems/notes/11 - non so cosa faremo oggi.md", "Concurrent Systems/notes/11 - non so cosa faremo oggi.md",
"Pasted image 20250408091924.png",
"Concurrent Systems/notes/10 - Implementing Consensus.md", "Concurrent Systems/notes/10 - Implementing Consensus.md",
"Concurrent Systems/notes/2 - Fast mutex by Lamport.md", "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
"Concurrent Systems/notes/4 - Semaphores.md", "Concurrent Systems/notes/4 - Semaphores.md",
@ -255,7 +256,6 @@
"Concurrent Systems/slides/class 8.pdf", "Concurrent Systems/slides/class 8.pdf",
"Concurrent Systems/notes/images/Pasted image 20250324091452.png", "Concurrent Systems/notes/images/Pasted image 20250324091452.png",
"Concurrent Systems/notes/images/Pasted image 20250324082534.png", "Concurrent Systems/notes/images/Pasted image 20250324082534.png",
"Concurrent Systems/notes/images/Pasted image 20250324082545.png",
"Senza nome.canvas" "Senza nome.canvas"
] ]
} }

7
Concurrent Systems/notes/11 - non so cosa faremo oggi.md
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@ -9,5 +9,10 @@ A (finite non-deterministic) automaton is a quintuple M = (Q,Act,q0,F,T), where:
Automata Behaviour: language equivalence Automata Behaviour: language equivalence
(where L(M) is the set of all the sequences of input characters that bring the automaton M from its starting state to a final one) (where L(M) is the set of all the sequences of input characters that bring the automaton M from its starting state to a final one)
>[!note] >[!note] Language equivalence
>M1 and M2 are *language equivalent* if and only if L(M1)=L(M2) >M1 and M2 are *language equivalent* if and only if L(M1)=L(M2)
![](../../Pasted%20image%2020250408091924.png)
By considering the starting states as also final, they both generate the same language, i.e.:
(20.(tea + 20.coffee))∗ = (20.tea + 20.20.coffee)∗

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