Array.right_nth: def of bend-collections-laws-crypto@1.0.0.0 Import: import bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend as Array Lines 164-166 of bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&start_line=164&end_line=166 import Base import bend-collections-laws-crypto@1.0.0.0/proofs/lib/list.bend as LL import bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend as SC def right_nth(-T: Data, +p: Nat, +l: Tree, +r: Tree, +j: Nat, +pl: {perfect(T, p, l) == True{} : Bool}, +le: {Nat.is_le(SC.pow2(p), j) == True{} : Bool}) -> {SC.nth(T, SC.append(T, slots(T, l), slots(T, r)), j) == SC.nth(T, slots(T, r), Nat.sub(j, SC.pow2(p))) : Maybe<&2, T>}: %slots_length(T, p, l, pl) : {SC.nth(T, SC.append(T, slots(T, l), slots(T, r)), j) == SC.nth(T, slots(T, r), Nat.sub(j, _)) : Maybe<&2, T>} LL.nth_append_right(T, slots(T, l), slots(T, r), j, len_le(T, p, l, j, pl, le)) Uses (14): https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&name=Tree https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&name=len_le https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&name=perfect https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&name=slots https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/array.bend&name=slots_length https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/list.bend&name=nth_append_right https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend&name=append https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend&name=nth https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend&name=pow2