Lean Kernel Arena / eink0rn / corner-cases/subject-reduction-redex

Checker "eink0rn" on test "corner-cases/subject-reduction-redex"

Checker: eink0rn · Version: 1.1.6 · 📄 Declaration · 🔗 Source

Test: corner-cases/subject-reduction-redex · Expected: 🤷 either · Size: 66.6 KB · Lines: 1.2 k · lean4export: 3.1.0 · Lean: 4.34.1 · 📄 Declaration · 🔗 Source

Result: ✋ rejected · exit code 1 · wall time: 13.6 ms · instructions: 26.0 M · max rss memory: 17.0 MB · run 2026-10-24 16:43:29 UTC

stdout:
REJECT
stderr:
redex: type mismatch:
  term     x!15
  has type x!6 (f (OfNat.ofNat.{0} Nat 1 (instOfNatNat 1)) (redex._proof_2 x!4))
  expected x!6 (f (OfNat.ofNat.{0} Nat 0 (instOfNatNat 0)) (redex._proof_1 x!4))