 In Hempel’s theory, evidence statement \(e\) is said to confirm hypothesis \(h\) just in case it entails, not \(h\) in its full extension, but suitable instantiations of \(h\). The technical notion of the \(e\)-development of \(h\) is devised to identify precisely those relevant instantiations, that is, the consequences of \(h\) as restricted to the individuals involved in \(e\). More precisely, Hempelian confirmation can be defined as follows: