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Proof step 6 from proof clear-corr (previous step)

buf = mk(ar, i, i0, i1), inv(buf) ⊦ i = n→i(# ar) ∧ i ≠ 0 ∧ 0 ≤ i0 ∧ i0 < i ∧ ¬ i < 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
inv(mk(ar, i, i0, i1)) ⊦ i = n→i(# ar) ∧ # ar ≠ 0 ∧ 0 ≤ i0 ∧ i0 < n→i(# ar)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ n→i(n) < 0], [CSIMPSEQ : ⊦ n→i(n) = 0 ↔ n = 0])]]