def AP.perf_rw
import bend-osdev-array@0.1.0.1/PROOF.bend as PROOFimport Base
import bend-osdev-array@0.1.0.1/array.bend as A
1194def AP.perf_rw(-T: Data, -d: Nat, -a: Array<T>, -t: AP.Tree<T>, e: {AP.build(T, t) == a : Array<T>}, h: {A.Arrays.is_perfect(T, d, a) == True{} : Bool}) -> {A.Arrays.is_perfect(T, d, AP.build(T, t)) == True{} : Bool}:
1195 %Equal.sym(Array<T>, AP.build(T, t), a, e) : {A.Arrays.is_perfect(T, d, _) == True{} : Bool}
1196 h