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Exam expectations: Computation of existential successors/Predecessors

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Since the existential predecessor is computed on a cube, we could only substitute the primed variables as per slide 69 in VRS-04-TransitionSystems. 

  • Is the above accepted as solution in exam ? And analogously for existential successor? 
  • Is the final simplification acceptable and hence the statement that these are the states that contain p,a?
in * TF "Emb. Sys. and Rob." by (480 points)

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Looks fine to me. Perfect!
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