(1) Simple Assault.  A person is guilty of assault if he:

  (a) attempts to cause or purposely, knowingly or recklessly causes bodily injury to another;  or

  (b) negligently causes bodily injury to another with a deadly weapon;  or

  (c) attempts by physical menace to put another in fear of imminent serious bodily injury.

 Simple assault is a misdemeanor unless committed in a fight or scuffle entered into by mutual consent, in which case it is a petty misdemeanor.

 (2) Aggravated Assault.  A person is guilty of aggravated assault if he:

  (a) attempts to cause serious bodily injury to another, or causes such injury purposely, knowingly or recklessly under circumstances manifesting extreme indifference to the value of human life;  or

  (b) attempts to cause or purposely or knowingly causes bodily injury to another with a deadly weapon.

 Aggravated assault under paragraph (a) is a felony of the second degree;  aggravated assault under paragraph (b) is a felony of the third degree.