Description: A finite simple graph is a simple graph. (Contributed by AV, 16-Jan-2020) (Revised by AV, 21-Oct-2020)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | fusgrusgr | ⊢ ( 𝐺 ∈ FinUSGraph → 𝐺 ∈ USGraph ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid | ⊢ ( Vtx ‘ 𝐺 ) = ( Vtx ‘ 𝐺 ) | |
| 2 | 1 | isfusgr | ⊢ ( 𝐺 ∈ FinUSGraph ↔ ( 𝐺 ∈ USGraph ∧ ( Vtx ‘ 𝐺 ) ∈ Fin ) ) |
| 3 | 2 | simplbi | ⊢ ( 𝐺 ∈ FinUSGraph → 𝐺 ∈ USGraph ) |