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Proof step 22 from proof getbar-subset (previous step)

¬ (r -- j ' ∈ st ∧ st ⊆ st0), r -- _length ∈ st, okbytearray(r, st), st ⊆ st0, j < st[r -- _length] .intval, r ∈ st, 0 ≤ j, 0 < st[r -- _length] .intval ⊦ st[r -- j '] .byteval = st0[r -- j '] .byteval

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
r -- _length ∈ st, okbytearray(r, st), st ⊆ st0, j < st[r -- _length] .intval, r ∈ st, 0 ≤ j, 0 < st[r -- _length] .intval ⊦ noval .byteval = st0[r -- j '] .byteval, r -- j ' ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ∅[rk] = noval], [CSIMPSEQ : ⊦ ¬ rk ∈ st → st[rk] = ∅[rk]])]]