Description: A graph represented as an extensible structure with vertices as base set and indexed edges is actually an extensible structure. (Contributed by AV, 23-Nov-2020)
Ref | Expression | ||
---|---|---|---|
Hypothesis | struct2grvtx.g | ||
Assertion | struct2grstr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | struct2grvtx.g | ||
2 | baseltedgf | ||
3 | edgfndxnn | ||
4 | 1 2 3 | 2strstr1 |