ProofTab.gt.rep_len: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/proof_tab.bend as ProofTab
Lines 242-248 of bend-osdev-gf@0.1.1.0/proof_tab.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/proof_tab.bend&start_line=242&end_line=248

import Base

def gt.rep_len(+n: Nat) -> {List.length(&2, U32, List.replicate(U32, n, 0)) == n : Nat}:
  match n:
    case 0n:
      {==}
    case 1n+k:
      %Equal.sym(Nat, List.length(&2, U32, List.replicate(U32, k, 0)), k, gt.rep_len(k)) : {1n+_ == 1n+k : Nat}
      {==}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.replicate
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32