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| Mirrors > Home > ILE Home > Th. List > sucexg | GIF version | ||
| Description: The successor of a set is a set (generalization). (Contributed by NM, 5-Jun-1994.) |
| Ref | Expression |
|---|---|
| sucexg | ⊢ (𝐴 ∈ 𝑉 → suc 𝐴 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 2814 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 2 | sucexb 4595 | . 2 ⊢ (𝐴 ∈ V ↔ suc 𝐴 ∈ V) | |
| 3 | 1, 2 | sylib 122 | 1 ⊢ (𝐴 ∈ 𝑉 → suc 𝐴 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 Vcvv 2802 suc csuc 4462 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-uni 3894 df-suc 4468 |
| This theorem is referenced by: sucex 4597 onsuc 4599 peano2 4693 sucinc2 6613 oav2 6630 |
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