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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-bdsucel | GIF version | ||
| Description: Boundedness of the formula "the successor of the setvar 𝑥 belongs to the setvar 𝑦". (Contributed by BJ, 30-Nov-2019.) |
| Ref | Expression |
|---|---|
| bj-bdsucel | ⊢ BOUNDED suc 𝑥 ∈ 𝑦 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bdeqsuc 16907 | . 2 ⊢ BOUNDED 𝑧 = suc 𝑥 | |
| 2 | 1 | bj-bdcel 16863 | 1 ⊢ BOUNDED suc 𝑥 ∈ 𝑦 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 suc csuc 4510 BOUNDED wbd 16838 |
| This proof depends on 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-ext 2220 ax-bd0 16839 ax-bdan 16841 ax-bdor 16842 ax-bdal 16844 ax-bdex 16845 ax-bdeq 16846 ax-bdel 16847 ax-bdsb 16848 |
| This proof 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-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-suc 4516 df-bdc 16867 |
| This theorem is used by: bj-bdind 16956 |
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