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Metamath Proof Explorer

Theorem starvndx

Description: Index value of the df-starv slot. (Contributed by Mario Carneiro, 14-Aug-2015) (New usage is discouraged.)

		Ref	Expression
	Assertion	starvndx	$⊢ *_{ndx} = 4$

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