Metamath Proof Explorer


Definition df-m0s

Description: Define a function mapping expressions to statements. (Contributed by Mario Carneiro, 14-Jul-2016)

Ref Expression
Assertion df-m0s m0St = a V a

Detailed syntax breakdown

Step Hyp Ref Expression
0 cm0s class m0St
1 va setvar a
2 cvv class V
3 c0 class
4 1 cv setvar a
5 3 3 4 cotp class a
6 1 2 5 cmpt class a V a
7 0 6 wceq wff m0St = a V a