code: def as_property(fact):
      """Convert a fact name to the name of the corresponding property"""
      return "is_%s" % fact
  
imports: from sympy.utilities.exceptions import sympy_deprecation_warning
  from .facts import FactRules, FactKB
  from .sympify import sympify
  from sympy.core.random import _assumptions_shuffle
  from sympy.core.assumptions_generated import generated_assumptions
label_desc: Use image node_id 7 for calling a global function with example usage: as_property(fact) and returns: unknown