Declension table of pramāṇatva

Neuter	Singular	Dual	Plural
Nominative	pramāṇatvam	pramāṇatve	pramāṇatvāni
Vocative	pramāṇatva	pramāṇatve	pramāṇatvāni
Accusative	pramāṇatvam	pramāṇatve	pramāṇatvāni
Instrumental	pramāṇatvena	pramāṇatvābhyām	pramāṇatvaiḥ
Dative	pramāṇatvāya	pramāṇatvābhyām	pramāṇatvebhyaḥ
Ablative	pramāṇatvāt	pramāṇatvābhyām	pramāṇatvebhyaḥ
Genitive	pramāṇatvasya	pramāṇatvayoḥ	pramāṇatvānām
Locative	pramāṇatve	pramāṇatvayoḥ	pramāṇatveṣu

Compound pramāṇatva -

Adverb -pramāṇatvam -pramāṇatvāt