Description: The converse epsilon coset of a set is the set. (Contributed by Peter Mazsa, 27-Jan-2019)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | eccnvep | ⊢ ( 𝐴 ∈ 𝑉 → [ 𝐴 ] ◡ E = 𝐴 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleccnvep | ⊢ ( 𝐴 ∈ 𝑉 → ( 𝑥 ∈ [ 𝐴 ] ◡ E ↔ 𝑥 ∈ 𝐴 ) ) | |
| 2 | 1 | eqrdv | ⊢ ( 𝐴 ∈ 𝑉 → [ 𝐴 ] ◡ E = 𝐴 ) |