# sympy__sympy-16988
# Loki Mode Multi-Agent Patch
# Attempts: 1

Based on the architect's analysis for the SymPy repository, I need to generate a patch for the `Intersection.__new__` method in `sympy/sets/sets.py`. The fix involves adding deduplication of arguments early in the method using `list(ordered(set(args), Set._infimum_key))`.

Here is the patch:

```
--- a/sympy/sets/sets.py
+++ b/sympy/sets/sets.py
@@ -1258,6 +1258,9 @@ class Intersection(Set):
         if not args:
             return S.UniversalSet
 
+        # Remove duplicates and order canonically
+        args = list(ordered(set(args), Set._infimum_key))
+
         # Reduce sets using known rules
         if evaluate:
             return Intersection.reduce(args)
```