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Mirrors > Home > ILE Home > Th. List > pwidg | GIF version |
Description: Membership of the original in a power set. (Contributed by Stefan O'Rear, 1-Feb-2015.) |
Ref | Expression |
---|---|
pwidg | ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssid 3162 | . 2 ⊢ 𝐴 ⊆ 𝐴 | |
2 | elpwg 3567 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ 𝒫 𝐴 ↔ 𝐴 ⊆ 𝐴)) | |
3 | 1, 2 | mpbiri 167 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 2136 ⊆ wss 3116 𝒫 cpw 3559 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-v 2728 df-in 3122 df-ss 3129 df-pw 3561 |
This theorem is referenced by: pwid 3574 axpweq 4150 baspartn 12688 epttop 12730 isopn3 12765 |
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