Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > elpwi | Structured version Visualization version GIF version |
Description: Subset relation implied by membership in a power class. (Contributed by NM, 17-Feb-2007.) |
Ref | Expression |
---|---|
elpwi | ⊢ (𝐴 ∈ 𝒫 𝐵 → 𝐴 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpwg 4533 | . 2 ⊢ (𝐴 ∈ 𝒫 𝐵 → (𝐴 ∈ 𝒫 𝐵 ↔ 𝐴 ⊆ 𝐵)) | |
2 | 1 | ibi 266 | 1 ⊢ (𝐴 ∈ 𝒫 𝐵 → 𝐴 ⊆ 𝐵) |
Copyright terms: Public domain | W3C validator |