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I want to compute intersection of ideal in non commutative set up for example

Q.<x,y>= FreeAlgebra(QQ,2)

sage: I=Q*[x^5]

sage: I

Left Ideal (x^5) of Free Algebra on 2 generators (x, y) over Rational Field

sage: J=Q*[x^4]

sage: I.intersection(J) ------------- This is a trivial intersection and should return "I" itself....

There is a big error ending with

AttributeError: 'Ideal_nc' object has no attribute 'intersection'

Or is there any other methods to take intersection?

I want to compute intersection of ideal in non commutative set up for example

Q.<x,y>= FreeAlgebra(QQ,2)
FreeAlgebra(QQ,2)
 sage: I=Q*[x^5]
 
sage: I=Q*[x^5]
 
sage: II

sage: J=Q*[x^4]
J=Q*[x^4]
  
sage: I.intersection(J)  ------------- This is a trivial intersection and should return "I" itself....itself....

I want to compute intersection of ideal in non commutative set up for example

Q.<x,y>= FreeAlgebra(QQ,2)

sage: I=Q*[x^5]

sage: I

Left Ideal (x^5) of Free Algebra on 2 generators (x, y) over Rational Field

sage: J=Q*[x^4]

sage: I.intersection(J)  ------------- This is a trivial intersection and should return "I" itself....