Pennsylvania Statutes Title 18 Pa.C.S.A. Crimes and Offenses § 303. Causal relationship between conduct and result

(1) it is an antecedent but for which the result in question would not have occurred; and

(2) the relationship between the conduct and result satisfies any additional causal requirements imposed by this title or by the law defining the offense.

(1) the actual result differs from that designed or contemplated as the case may be, only in the respect that a different person or different property is injured or affected or that the injury or harm designed or contemplated would have been more serious or more extensive than that caused; or

(2) the actual result involves the same kind of injury or harm as that designed or contemplated and is not too remote or accidental in its occurrence to have a bearing on the actor's liability or on the gravity of his offense.

(1) the actual result differs from the probable result only in the respect that a different person or different property is injured or affected or that the probable injury or harm would have been more serious or more extensive than that caused; or

(2) the actual result involves the same kind of injury or harm as the probable result and is not too remote or accidental in its occurrence to have a bearing on the liability of the actor or on the gravity of his offense.