Lean Kernel Arena / logos-kernel / corner-cases/let-value-type-mismatch

Checker "logos-kernel" on test "corner-cases/let-value-type-mismatch"

Checker: logos-kernel · Version: 1e6ad5b · 📄 Declaration · 🔗 Source

Test: corner-cases/let-value-type-mismatch · Expected: 🤷 either · Size: 601 B · Lines: 13 · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration

Result: ✋ rejected · exit code 1 · wall time: 3.28 ms · instructions: 2.4 M · max rss memory: 4.5 MB · run 2026-11-08 11:08:24 UTC

stderr:
rejected: declaration 'EcosystemCase': let value type mismatch
  in `let x0 : Sort (1) := Sort (1); x0`
  expected type: Sort LevelId(1)
  but the value has type: Sort LevelId(2)