Illinois Statutes Chapter 720. Criminal Offenses § 5/4-5. Knowledge

(a) The nature or attendant circumstances of his or her conduct, described by the statute defining the offense, when he or she is consciously aware that his or her conduct is of that nature or that those circumstances exist. Knowledge of a material fact includes awareness of the substantial probability that the fact exists.

(b) The result of his or her conduct, described by the statute defining the offense, when he or she is consciously aware that that result is practically certain to be caused by his conduct.