[SCAEUOLA libro duodecimo quaestionum. ] §45.1.129.prSi quis ita stipulatus fuerit: 'decem aureos das, si nauis uenit et Titius consul factus est?' non alias dabitur, quam si utrumque factum sit.
[SCAEVOLA, Questions, book 12.] If anyone has stipulated thus: 'Will you give ten gold pieces, if the ship arrives and Titius is made consul?' it shall not be given otherwise than if both events have occurred.
idem in contrarium: 'dare spondes, si nec nauis uenit nec Titius consul factus sit?' exigendum erit, ut neutrum factum sit.
The same applies to the contrary: 'Do you promise to give, if neither the ship arrives nor Titius is made consul?' it will be required that neither event has occurred.
huic similis scriptura est: 'si neque nauis uenit neque Titius consul factus est?' at si sic: 'dabis, si nauis uenit aut Titius consul factus sit?' sufficit unum factum.
Similar to this is the wording: 'if neither the ship arrives nor Titius is made consul?' But if it is thus: 'Will you give, if the ship arrives or Titius is made consul?' one event having occurred is sufficient.
et contra: 'dabis, si nauis non uenit aut Titius consul factus non est?' sufficit unum non factum.
And conversely: 'Will you give, if the ship does not arrive or Titius is not made consul?' one event not having occurred is sufficient.