theorem MurderCase.mk.inj
theorem MurderCase.mk.inj
: ∀ {murder : etsbfws7.Murder} {murderer victim : z69f3rb3.Person} {punishment : etsbfws7.PunishmentSpec}
  {murders_involvement : etsbfws7.MurderInvolves (Subtype.val murder) (Subtype.val victim) (Subtype.val murderer)}
  {deserved_punishment :
    etsbfws7.DeservesPunishmentFor (Subtype.val murderer) (Subtype.val punishment) (Subtype.val murder)}
  {murder_1 : etsbfws7.Murder} {murderer_1 victim_1 : z69f3rb3.Person} {punishment_1 : etsbfws7.PunishmentSpec}
  {murders_involvement_1 :
    etsbfws7.MurderInvolves (Subtype.val murder_1) (Subtype.val victim_1) (Subtype.val murderer_1)}
  {deserved_punishment_1 :
    etsbfws7.DeservesPunishmentFor (Subtype.val murderer_1) (Subtype.val punishment_1) (Subtype.val murder_1)},
  etsbfws7.MurderCase.mk murder murderer victim punishment murders_involvement deserved_punishment =
      etsbfws7.MurderCase.mk murder_1 murderer_1 victim_1 punishment_1 murders_involvement_1 deserved_punishment_1 →
    murder = murder_1 ∧ murderer = murderer_1 ∧ victim = victim_1 ∧ punishment = punishment_1