Below is the statutory language of Robbery as defined by the Pennsylvania Consolidated Statutes:
§ 3701. Robbery. (a) Offense defined.-- (1) A person is guilty of robbery if, in the course of committing a theft, he: (i) inflicts serious bodily injury upon another; (ii) threatens another with or intentionally puts him in fear of immediate serious bodily injury; (iii) commits or threatens immediately to commit any felony of the first or second degree; (iv) inflicts bodily injury upon another or threatens another with or intentionally puts him in fear of immediate bodily injury; or (v) physically takes or removes property from the person of another by force however slight. (2) An act shall be deemed "in the course of committing a theft" if it occurs in an attempt to commit theft or in flight after the attempt or commission. (b) Grading.--Robbery under subsection (a)(1)(iv) is a felony of the second degree; robbery under subsection (a)(1)(v) is a felony of the third degree; otherwise, it is a felony of the first degree.