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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-snex | GIF version | ||
| Description: snex 4281 from bounded separation. (Contributed by BJ, 5-Oct-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-snex.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| bj-snex | ⊢ {𝐴} ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-snex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | bj-snexg 16611 | . 2 ⊢ (𝐴 ∈ V → {𝐴} ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ {𝐴} ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 Vcvv 2803 {csn 3673 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-pr 4305 ax-bdor 16515 ax-bdeq 16519 ax-bdsep 16583 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 |
| This theorem is referenced by: bj-d0clsepcl 16624 |
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