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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bdpeano5 | GIF version | ||
| Description: Bounded version of peano5 4725. (Contributed by BJ, 19-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bdpeano5.bd | ⊢ BOUNDED 𝐴 |
| Ref | Expression |
|---|---|
| bdpeano5 | ⊢ ((∅ ∈ 𝐴 ∧ ∀𝑥 ∈ ω (𝑥 ∈ 𝐴 → suc 𝑥 ∈ 𝐴)) → ω ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bdpeano5.bd | . . 3 ⊢ BOUNDED 𝐴 | |
| 2 | bj-omex 16824 | . . 3 ⊢ ω ∈ V | |
| 3 | 1, 2 | bdinex1 16781 | . 2 ⊢ (ω ∩ 𝐴) ∈ V |
| 4 | peano5set 16822 | . 2 ⊢ ((ω ∩ 𝐴) ∈ V → ((∅ ∈ 𝐴 ∧ ∀𝑥 ∈ ω (𝑥 ∈ 𝐴 → suc 𝑥 ∈ 𝐴)) → ω ⊆ 𝐴)) | |
| 5 | 3, 4 | ax-mp 5 | 1 ⊢ ((∅ ∈ 𝐴 ∧ ∀𝑥 ∈ ω (𝑥 ∈ 𝐴 → suc 𝑥 ∈ 𝐴)) → ω ⊆ 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2205 ∀wral 2522 Vcvv 2815 ∩ cin 3213 ⊆ wss 3214 ∅c0 3512 suc csuc 4491 ωcom 4717 BOUNDED wbdc 16722 |
| 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-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-nul 4241 ax-pr 4327 ax-un 4559 ax-bd0 16695 ax-bdor 16698 ax-bdex 16701 ax-bdeq 16702 ax-bdel 16703 ax-bdsb 16704 ax-bdsep 16766 ax-infvn 16823 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-sn 3700 df-pr 3701 df-uni 3920 df-int 3955 df-suc 4497 df-iom 4718 df-bdc 16723 df-bj-ind 16809 |
| This theorem is referenced by: bj-bdfindis 16829 |
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