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Proof step 13 from proof remove-wbufs-rec (previous step)

n0 < # lpt ⊦ (n0 = n ∨ n0 ∈ ns ⊃ lpt[n0].size:= LEB_SIZE;lpt[n0]) = lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE)[n, lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE)[n].size:= LEB_SIZE][n0], n0 = n, n ∈ ns

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
n0 < # lpt ⊦ (n0 ∈ ns ⊃ lpt[n0].size:= LEB_SIZE;lpt[n0]) = lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE)[n0], n0 = n, n ∈ ns

Rule argument

Additional information

Used simplifier rules: ⊦ m ≠ n → lpt[n, lp][m] = lpt[m]; (s)