ProofBase.pred: def of lawful-arrays@0.1.0.0
Import: import lawful-arrays@0.1.0.0/proof_base.bend as ProofBase
Lines 84-89 of lawful-arrays@0.1.0.0/proof_base.bend: https://jend.leeeet.dev/read.txt?path=lawful-arrays@0.1.0.0/proof_base.bend&start_line=84&end_line=89

import Base

def pred(n: Nat) -> Nat:
  match n:
    case 0n:
      0n
    case 1n+p:
      p

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat