Definition df-mty

Description: Define the type function in a Metamath formal system. (Contributed by Mario Carneiro, 14-Jul-2016)

	Ref	Expression
Assertion	df-mty	⊢ mType = Slot 3

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		cmty	⊢ mType
1		c3	⊢ 3
2	1	cslot	⊢ Slot 3
3	0 2	wceq	⊢ mType = Slot 3