Api.seek_left: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/storage/api.bend as Api
Lines 617-619 of bendtorch-core@0.1.0.0/src/storage/api.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/storage/api.bend&start_line=617&end_line=619

import Base
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith

def seek_left(+p: Nat, +k: Nat, +left: {Nat.add(1n+p, k) == 20n : Nat}) -> {Nat.add(p, 1n+k) == 20n : Nat}:
  %Equal.sym(Nat, Nat.add(p, 1n+k), 1n+Nat.add(p, k), Arith.add_succ(p, k)) : {_ == 20n : Nat}
  left

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/arith.bend&name=add_succ