Description: Define the edge function (indexed edges) of a graph. (Contributed by AV, 18-Jan-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | df-edgf | |- .ef = Slot ; 1 8 |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | cedgf | |- .ef |
|
1 | c1 | |- 1 |
|
2 | c8 | |- 8 |
|
3 | 1 2 | cdc | |- ; 1 8 |
4 | 3 | cslot | |- Slot ; 1 8 |
5 | 0 4 | wceq | |- .ef = Slot ; 1 8 |