code: def _(expr):
      # General Case: Odd number of imaginary args implies mul is imaginary(To be implemented)
      allargs_imag_or_real = allargs(
          x, Q.imaginary(x) | Q.real(x), expr
      )
      onearg_imaginary = exactlyonearg(x, Q.imaginary(x), expr)
      return Implies(
          allargs_imag_or_real,
          Implies(onearg_imaginary, Q.imaginary(expr)),
      )
  
imports: from collections import defaultdict
  from sympy.assumptions.ask import Q
  from sympy.core import Add, Mul, Pow, Number, NumberSymbol, Symbol
  from sympy.core.numbers import ImaginaryUnit
  from sympy.functions.elementary.complexes import Abs
  from sympy.logic.boolalg import Equivalent, And, Or, Implies
  from sympy.matrices.expressions import MatMul
label_desc: Use image node_id 9 for calling a global function with example usage: _(expr) and returns: Implies