Description: The divides relation is in fact a relation. (Contributed by Steve Rodriguez, 20-Jan-2020)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | reldvds | ⊢ Rel ∥ | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | df-dvds | ⊢ ∥ = { 〈 𝑥 , 𝑦 〉 ∣ ( ( 𝑥 ∈ ℤ ∧ 𝑦 ∈ ℤ ) ∧ ∃ 𝑧 ∈ ℤ ( 𝑧 · 𝑥 ) = 𝑦 ) } | |
| 2 | 1 | relopabiv | ⊢ Rel ∥ |