direct derivability मीनिंग इन हिंदी

उदाहरण वाक्य

1. Direct derivability is a relation between a sentence and a finite, possibly empty set of sentences.
2. A " formal system " can be formally defined as an ordered triple \ mathcal { I }, \ mathcal { D } d >, where \ mathcal { D } d is the relation of direct derivability.