Definition df-mevl

Description: Define the evaluation function of a model. (Contributed by Mario Carneiro, 14-Jul-2016)

	Ref	Expression
Assertion	df-mevl	$$⊢\mathrm{mEval}=\mathrm{Slot}20$$

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		cmevl	$$class\mathrm{mEval}$$
1		c2	$$class2$$
2		cc0	$$class0$$
3	1 2	cdc	$$class20$$
4	3	cslot	$$class\mathrm{Slot}20$$
5	0 4	wceq	$$wff\mathrm{mEval}=\mathrm{Slot}20$$