todistettavan

Todistettavan is the genitive singular form of the Finnish present passive participle todistettava, meaning “to be proven” or “provable.” In Finnish, participles can function as adjectives or as part of noun phrases, and todistettava is commonly used to indicate that something must be demonstrated or shown. The genitive singular form todistettavan is used to connect this modifier to a specific noun.

In practice, todistettavan modifies a noun to express that the noun denotes something that requires proof. The form is frequent in academic, legal, mathematical, and philosophical contexts, where propositions, claims, or statements are discussed in terms of their provability. For example, todistettavan väitteen paikkansapitävyys means “the veracity of the proposition to be proven,” and todistettavan väitteen relevanssi can be translated as “the relevance of the proposition to be proven.” These constructions illustrate how todistettavan functions within a noun phrase to specify the relationship to proof or demonstration.

Etymology and grammar: todistettavan derives from todistettava (to be proven/provable), itself formed from the verb todistaa (to prove). Todistettavan is the genitive singular form used when the participle modifies a specific noun. The stem remains todistettava, while the case form marks its syntactic role in the sentence.

See also: todistettava, todistaminen, todistaminen (proof), suomalainen kieli (Finnish grammar).