SlicePROOF.mul_zero_factor: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/slice_PROOF.bend as SlicePROOF
Lines 407-412 of bendtorch-core@0.1.0.0/src/tensor/slice_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/slice_PROOF.bend&start_line=407&end_line=412

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

def mul_zero_factor(+a: Nat, +b: Nat, e: {Nat.mul(a, b) == 0n : Nat}, nonzero: {False{} == Nat.is_eq(a, 0n) : Bool}) -> {b == 0n : Nat}:
  match a:
    case 0n:
      Empty.absurd({b == 0n : Nat}, Arith.clash(nonzero))
    case 1n+p:
      add_zero_left_part(b, Nat.mul(p, b), e)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  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_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/arith.bend&name=clash
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/slice_PROOF.bend&name=add_zero_left_part