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| Mirrors > Home > ILE Home > Th. List > sucex | GIF version | ||
| Description: The successor of a set is a set. (Contributed by NM, 30-Aug-1993.) |
| Ref | Expression |
|---|---|
| sucex.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| sucex | ⊢ suc 𝐴 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sucex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | sucexg 4640 | . 2 ⊢ (𝐴 ∈ V → suc 𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ suc 𝐴 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 Vcvv 2821 suc csuc 4505 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-uni 3931 df-suc 4511 |
| This theorem is referenced by: finds 4742 finds2 4743 limom 4756 tfrexlem 6595 oafnex 6707 sucinc 6708 oacl 6723 nnsucelsuc 6754 phplem4 7146 php5 7149 phpm 7157 sucpw1nel3 7582 |
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