Definition df-mtc

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

	Ref	Expression
Assertion	df-mtc	$$⊢\mathrm{mTC}=\mathrm{Slot}4$$

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		cmtc	$$class\mathrm{mTC}$$
1		c4	$$class4$$
2	1	cslot	$$class\mathrm{Slot}4$$
3	0 2	wceq	$$wff\mathrm{mTC}=\mathrm{Slot}4$$