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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 13079 | . 2 ⊢ BOUNDED 𝑧 = suc 𝑥 | |
2 | 1 | bj-bdcel 13035 | 1 ⊢ BOUNDED suc 𝑥 ∈ 𝑦 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1480 suc csuc 4287 BOUNDED wbd 13010 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-bd0 13011 ax-bdan 13013 ax-bdor 13014 ax-bdal 13016 ax-bdex 13017 ax-bdeq 13018 ax-bdel 13019 ax-bdsb 13020 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-suc 4293 df-bdc 13039 |
This theorem is referenced by: bj-bdind 13128 |
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