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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bdpeano5 | GIF version | ||
| Description: Bounded version of peano5 4702. (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 16638 | . . 3 ⊢ ω ∈ V | |
| 3 | 1, 2 | bdinex1 16595 | . 2 ⊢ (ω ∩ 𝐴) ∈ V |
| 4 | peano5set 16636 | . 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 2202 ∀wral 2511 Vcvv 2803 ∩ cin 3200 ⊆ wss 3201 ∅c0 3496 suc csuc 4468 ωcom 4694 BOUNDED wbdc 16536 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-nul 4220 ax-pr 4305 ax-un 4536 ax-bd0 16509 ax-bdor 16512 ax-bdex 16515 ax-bdeq 16516 ax-bdel 16517 ax-bdsb 16518 ax-bdsep 16580 ax-infvn 16637 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-sn 3679 df-pr 3680 df-uni 3899 df-int 3934 df-suc 4474 df-iom 4695 df-bdc 16537 df-bj-ind 16623 |
| This theorem is referenced by: bj-bdfindis 16643 |
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