valid

stichhaltig

Well-grounded or justifiable, pertinent

• The ticket is valid until 29 April.

  Das Ticket gilt bis zum 29. April.

  Tatoeba · sundown · CC BY 2.0 FR

• This ticket is valid for a month.

  Dieses Ticket ist einen Monat gültig.

  Tatoeba · araneo · CC BY 2.0 FR

stichhaltig

Acceptable, proper or correct; in accordance with the rules

stichhaltig

Related to the current topic, or presented within context, relevant

stichhaltig

Of a formula or system: such that it evaluates to true regardless of the input valuesselten

stichhaltig

Of an argument: whose conclusion is always true whenever its premises are trueselten

stichhaltig

Genuine - as distinguished from efficient or regular - sacramentselten