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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 4646. (Contributed by BJ, 29-Dec-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-omelon | ⊢ ω ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-omord 15690 | . 2 ⊢ Ord ω | |
| 2 | bj-omex 15672 | . . 3 ⊢ ω ∈ V | |
| 3 | 2 | elon 4410 | . 2 ⊢ (ω ∈ On ↔ Ord ω) |
| 4 | 1, 3 | mpbir 146 | 1 ⊢ ω ∈ On |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2167 Ord word 4398 Oncon0 4399 ωcom 4627 |
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-nul 4160 ax-pr 4243 ax-un 4469 ax-bd0 15543 ax-bdor 15546 ax-bdal 15548 ax-bdex 15549 ax-bdeq 15550 ax-bdel 15551 ax-bdsb 15552 ax-bdsep 15614 ax-infvn 15671 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3452 df-sn 3629 df-pr 3630 df-uni 3841 df-int 3876 df-tr 4133 df-iord 4402 df-on 4404 df-suc 4407 df-iom 4628 df-bdc 15571 df-bj-ind 15657 |
| This theorem is referenced by: bj-omssonALT 15693 |
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