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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 4513 | . 2 ⊢ (𝐴 ∈ V → 𝐴 ∈ suc 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐴 ∈ suc 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: ∈ 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-ext 2213 |
| 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-v 2804 df-un 3204 df-sn 3675 df-suc 4468 |
| This theorem is referenced by: eqelsuc 4516 unon 4609 ordunisuc2r 4612 ordsoexmid 4660 limom 4712 0elnn 4717 tfrexlem 6500 tfri1dALT 6517 tfrcl 6530 frecabcl 6565 phplem4 7041 fiintim 7123 fidcenumlemr 7154 nninfwlpoimlemginf 7375 pw1ne3 7448 sucpw1ne3 7450 sucpw1nel3 7451 prarloclemarch2 7639 prarloclemlt 7713 ennnfonelemex 13040 ennnfonelemrn 13045 bj-nn0suc0 16571 bj-nnelirr 16574 bj-inf2vnlem2 16592 bj-findis 16600 3dom 16613 nninfsellemeq 16642 |
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