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Proof step 57 from proof RG-restr-ok (previous step)

m < n, CInv(n, act, cs), CInv(n, act0, cs0), ∃ m0. m0 ≤ m ∧ CGuar(m0, act, cs, act0, cs0) ⊦ n = 0, CRely(m + 1, act, cs, act0, cs0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 58:
m < n, CInv(n, act, cs), CInv(n, act0, cs0), m0 ≤ m, CGuar(m0, act, cs, act0, cs0), m0 < n ⊦ n = 0, CRely(m + 1, act, cs, act0, cs0)

Rule argument

Additional information

Used simplifier rules: fle-01: ⊦ m ≤ n ∧ n < n0 → m < n0; (forward) from specification nat