ReduceFoldPROOF.length_snoc: def of bendtorch-core@0.1.0.0 Import: import bendtorch-core@0.1.0.0/src/autograd/reduce_fold_PROOF.bend as ReduceFoldPROOF Lines 57-64 of bendtorch-core@0.1.0.0/src/autograd/reduce_fold_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/reduce_fold_PROOF.bend&start_line=57&end_line=64 import Base def length_snoc(+values: List<&2, F32>, +word: F32) -> {List.length(&2, F32, List.append(&2, F32, values, [word])) == 1n+List.length(&2, F32, values) : Nat}: match values: case Nil{}: {==} case +value <> +rest: Equal.cong(Nat, Nat, n => 1n+n, List.length(&2, F32, List.append(&2, F32, rest, [word])), 1n+List.length(&2, F32, rest), length_snoc(rest, word)) Uses (6): https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32 https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat