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Proof step 18 from proof in-ecs-n (previous step)

wlar[n0] = wl-entry(m0, stat), wlar[n] = wl-entry(m1, stat0), n < # wlar, n0 < # wlar, n ≤ n0, ∀ wlar, m. n0 ≤ # wlar → (m ∈ ecs(wlar, n0) ↔ (∃ n1. n1 < n0 ∧ wlar[n1].ec = m)) ⊦ m1 = m0, m1 ∈ ecs(wlar, n0)

User applied rule all left

And obtained the following new goals

Proof step 19:
wlar[n] = wl-entry(m1, stat0), wlar[n0] = wl-entry(m0, stat), n0 < # wlar, n < # wlar, n ≤ n0, n0 ≤ # wlar → (m1 ∈ ecs(wlar, n0) ↔ (∃ n1. n1 < n0 ∧ wlar[n1].ec = m1)) ⊦ m1 = m0, m1 ∈ ecs(wlar, n0)

Rule argument

pos: left 6 terms: wlar, m1 abort: F discard: T computed: T

Additional information

Used terms: wlar, m1