![](https://es.cs.uni-kl.de/teaching/vrs/exams/2022.09.06.vrs/2022.09.06.vrs.solutions.pdf)
![](https://q2a.cs.uni-kl.de/?qa=blob&qa_blobid=12832710593730583245)
Does this structure satisfy S2?
For given S2: I tried to consider the next state of the initial state because of X and in the s1 state, I made aSUb true by making the b(the second term in aSUb) globally true.
In the state s0, given S1 doesn't satisfy.
Let me know if my approach is incorrect.