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Proof step 12 from proof in-free-h (previous step)

wlar[m] = wl-entry(m2, free), m < # wlar ⊦ m2 ∈ free-ecs(wlar, m), ∃ m0. ¬ m < m0 ∧ wlar[m0].status = free ∧ wlar[m0].ec = m2, ∃ m1. m1 < m ∧ wlar[m1].status = free ∧ wlar[m1].ec = m2

User applied rule exists right

And closed the goal!

Rule argument

pos: right 2 terms: m abort: F discard: T computed: F

Additional information

Used simplifier rules: ⊦ ¬ n < n; (s)% ⊦ wl-entry(m, stat).status = stat; (s)% ⊦ wl-entry(m, stat).ec = m; (s) Used terms: m