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Mirrors > Home > ILE Home > Th. List > sucid | GIF version |
Description: A set belongs to its successor. (Contributed by NM, 22-Jun-1994.) (Proof shortened by Alan Sare, 18-Feb-2012.) (Proof shortened by Scott Fenton, 20-Feb-2012.) |
Ref | Expression |
---|---|
sucid.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
sucid | ⊢ 𝐴 ∈ suc 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sucid.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | sucidg 4153 | . 2 ⊢ (𝐴 ∈ V → 𝐴 ∈ suc 𝐴) | |
3 | 1, 2 | ax-mp 7 | 1 ⊢ 𝐴 ∈ suc 𝐴 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1393 Vcvv 2557 suc csuc 4102 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-v 2559 df-un 2922 df-sn 3381 df-suc 4108 |
This theorem is referenced by: eqelsuc 4156 unon 4237 ordunisuc2r 4240 ordsoexmid 4286 limom 4336 0elnn 4340 tfrexlem 5948 phplem4 6318 prarloclemarch2 6517 prarloclemlt 6591 bj-nn0suc0 10075 bj-nnelirr 10078 bj-inf2vnlem2 10096 bj-findis 10104 |
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