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Model: EPFL-LARA/lean-world-model-qwen3-4b-grpo
Source: Original Platform

example_response.txt

@@ -0,0 +1,27 @@
+Here is the complete Lean 4 proof annotated with Lean 4 compiler feedback blocks:
+
+```lean4
+import Mathlib
+
+-- Theorem: For any natural number n, n + 0 = n.
+theorem demo (n : ℕ) : n + 0 = n := by
+  /- <feedback>
+  -- proof state:
+  n : ℕ
+  ⊢ n + 0 = n
+  </feedback> -/
+  induction n with
+  /- <feedback>
+  -- proof state:
+  case zero
+  ⊢ 0 + 0 = 0
+  </feedback> -/
+  | zero => rfl
+  /- <feedback>
+  -- proof state:
+  ih : n + 0 = n
+  case succ
+  ⊢ n + 1 + 0 = n + 1
+  </feedback> -/
+  | succ n ih => simp_all
+```