Metamath Proof Explorer


Definition df-goel

Description: Define the Godel-set of membership. Here the arguments x = <. N , P >. correspond to v_N and v_P , so ( (/) e.g 1o ) actually means v_0 e. v_1 , not 0 e. 1 . (Contributed by Mario Carneiro, 14-Jul-2013)

Ref Expression
Assertion df-goel 𝑔=xω×ωx

Detailed syntax breakdown

Step Hyp Ref Expression
0 cgoe class𝑔
1 vx setvarx
2 com classω
3 2 2 cxp classω×ω
4 c0 class
5 1 cv setvarx
6 4 5 cop classx
7 1 3 6 cmpt classxω×ωx
8 0 7 wceq wff𝑔=xω×ωx