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Proof step 6 from proof bflipset-subarray-erase-old-add (previous step)

wlar[n1] = wl-entry(m, stat), n0 < # wlar, n0 < n, n < # wlar, n0 + 1 < # wlar, n1 ∈ bflipset, ∀ n1. n1 ∈ bflipset → n1 < n ∧ wlar[n1].status = used ⊦ # bflipset = 0, bflipset = ∅, n1 = n0, n1 = n, ¬ n < n1 ∧ stat = used

Heuristic pl case distinction applied rule case distinction

And obtained the following new goals

Proof step 7:
wlar[n1] = wl-entry(m, stat), n < n1, n0 + 1 < # wlar, n < # wlar, n0 < n, n0 < # wlar, n1 ∈ bflipset, ∀ n1. n1 ∈ bflipset → n1 < n ∧ wlar[n1].status = used ⊦ # bflipset = 0, bflipset = ∅, n1 = n, n1 = n0
Proof step 9:
wlar[n1] = wl-entry(m, stat), n0 + 1 < # wlar, n < # wlar, n0 < n, n0 < # wlar, n1 ∈ bflipset, ∀ n1. n1 ∈ bflipset → n1 < n ∧ wlar[n1].status = used ⊦ # bflipset = 0, bflipset = ∅, n1 = n, n1 = n0, stat = used

Rule argument

pos: right 5

Proof step 6 from proof bflipset-subarray-erase-old-add (previous step)

Heuristic pl case distinction applied rule case distinction

And obtained the following new goals

Rule argument

Additional information