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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 4626. (Contributed by BJ, 29-Dec-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-omelon | ⊢ ω ∈ On |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-omord 15165 | . 2 ⊢ Ord ω | |
2 | bj-omex 15147 | . . 3 ⊢ ω ∈ V | |
3 | 2 | elon 4392 | . 2 ⊢ (ω ∈ On ↔ Ord ω) |
4 | 1, 3 | mpbir 146 | 1 ⊢ ω ∈ On |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2160 Ord word 4380 Oncon0 4381 ωcom 4607 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-nul 4144 ax-pr 4227 ax-un 4451 ax-bd0 15018 ax-bdor 15021 ax-bdal 15023 ax-bdex 15024 ax-bdeq 15025 ax-bdel 15026 ax-bdsb 15027 ax-bdsep 15089 ax-infvn 15146 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-sn 3613 df-pr 3614 df-uni 3825 df-int 3860 df-tr 4117 df-iord 4384 df-on 4386 df-suc 4389 df-iom 4608 df-bdc 15046 df-bj-ind 15132 |
This theorem is referenced by: bj-omssonALT 15168 |
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