P is left guarded f p sat right f left properties l1

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P is left-guarded ≡ ∃ f P sat (# right f ( left )) Properties: L1 If every recursion used in the definition of P is guarded by an input from the left, then P is left-guarded. L2 If P is left-guarded then ( P >> Q ) is free of livelock. L3 If Q is right-guarded then ( P >> Q ) is free of livelock. 21
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  • Fall '12
  • ZhuHuibiao
  • αc, αright

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