code: def test_closed_group(expr, assumptions, key):
      """
      Test for membership in a group with respect
      to the current operation.
      """
      return _fuzzy_group(
          (ask(key(a), assumptions) for a in expr.args), quick_exit=True
      )
  
imports: from sympy.assumptions import Q, ask, AppliedPredicate
  from sympy.core import Basic, Symbol
  from sympy.core.logic import _fuzzy_group
  from sympy.core.numbers import NaN, Number
  from sympy.logic.boolalg import And, BooleanTrue, BooleanFalse, conjuncts, Equivalent, Implies, Not, Or
  from sympy.utilities.exceptions import sympy_deprecation_warning
  from ..predicates.common import CommutativePredicate, IsTruePredicate
label_desc: Use image node_id 14 for calling a global function with example usage: test_closed_group(expr, assumptions, key) and returns: _fuzzy_group