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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-omelon | GIF version | ||
| Description: The set ω is an ordinal. Constructive proof of omelon 4698. (Contributed by BJ, 29-Dec-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-omelon | ⊢ ω ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-omord 16253 | . 2 ⊢ Ord ω | |
| 2 | bj-omex 16235 | . . 3 ⊢ ω ∈ V | |
| 3 | 2 | elon 4462 | . 2 ⊢ (ω ∈ On ↔ Ord ω) |
| 4 | 1, 3 | mpbir 146 | 1 ⊢ ω ∈ On |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 Ord word 4450 Oncon0 4451 ωcom 4679 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-nul 4209 ax-pr 4292 ax-un 4521 ax-bd0 16106 ax-bdor 16109 ax-bdal 16111 ax-bdex 16112 ax-bdeq 16113 ax-bdel 16114 ax-bdsb 16115 ax-bdsep 16177 ax-infvn 16234 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-sn 3672 df-pr 3673 df-uni 3888 df-int 3923 df-tr 4182 df-iord 4454 df-on 4456 df-suc 4459 df-iom 4680 df-bdc 16134 df-bj-ind 16220 |
| This theorem is referenced by: bj-omssonALT 16256 |
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