PROOFPadded.pd.len0: def of bend-osdev-cbc@0.1.0.0
Import: import bend-osdev-cbc@0.1.0.0/PROOF_padded.bend as PROOFPadded
Lines 79-84 of bend-osdev-cbc@0.1.0.0/PROOF_padded.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cbc@0.1.0.0/PROOF_padded.bend&start_line=79&end_line=84

import Base

def pd.len0(+x: Nat) -> {Nat.is_lt(0n, x) == False{} : Bool} -> {x == 0n : Nat}:
  match x:
    case 0n:
      h => {==}
    case 1n+p:
      h => pk.absurd({1n+p == 0n : Nat}, Equal.sym(Bool, True{}, False{}, h))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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.is_lt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cbc@0.1.0.0/PROOF_padded.bend&name=pk.absurd