Theorem starvid

Description: Utility theorem: index-independent form of df-starv . (Contributed by Mario Carneiro, 6-Oct-2013)

	Ref	Expression
Assertion	starvid	$$⊢{\ast }_{𝑟}=\mathrm{Slot}{\mathrm{*}}_{\mathrm{ndx}}$$

Proof

Step	Hyp	Ref	Expression
1		df-starv	$$⊢{\ast }_{𝑟}=\mathrm{Slot}4$$
2		4nn	$$⊢4\in \mathbb{N}$$
3	1 2	ndxid	$$⊢{\ast }_{𝑟}=\mathrm{Slot}{\mathrm{*}}_{\mathrm{ndx}}$$