Lean Kernel Arena / rpylean / bugs/closure-level-subst

Checker "rpylean" on test "bugs/closure-level-subst"

Checker: rpylean · Version: v2026.9.1 · 📄 Declaration · 🔗 Source

Test: bugs/closure-level-subst · Expected: ✋ reject · Size: 4.0 KB · Lines: 74 · lean4export: 3.1.0 · Lean: 4.35.0 · 📄 Declaration

Result: ✋ rejected · exit code 1 · wall time: 38.7 ms · instructions: 3.0 M · max rss memory: 4.2 MB · run 2026-10-27 15:43:24 UTC

stderr:
def lower : Family :=
  good
  ^^^^
  has type
    Family
  but is expected to have type
    Family
summary: 14/14 decls checked, peak 32 MB, allocated 0 MB, heartbeats 0
checked in 0.000299s