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Replace the incomplete level_leq heuristic with a complete algorithm: - Case-split on IMax: when IMax(a1, a2) has a2 that might be zero, substitute a param p from a2 with both Zero and Succ(p), checking the inequality in both cases - Handle Param(i) ≤ Succ(X) by recursing to Param(i) ≤ X - Distribute Succ over Max: Succ(Max(x,y)) → check Succ(x) and Succ(y) - Handle Param ≤ IMax on the right via the same case-split technique Adds three helpers: level_has_param, level_any_param, level_subst_reduce.
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Replace the incomplete level_leq heuristic with a complete algorithm:
Adds three helpers: level_has_param, level_any_param, level_subst_reduce.