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Mirrors > Home > ILE Home > Th. List > elon | Unicode version |
Description: An ordinal number is an ordinal set. (Contributed by NM, 5-Jun-1994.) |
Ref | Expression |
---|---|
elon.1 |
Ref | Expression |
---|---|
elon |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elon.1 | . 2 | |
2 | elong 4351 | . 2 | |
3 | 1, 2 | ax-mp 5 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wcel 2136 cvv 2726 word 4340 con0 4341 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-in 3122 df-ss 3129 df-uni 3790 df-tr 4081 df-iord 4344 df-on 4346 |
This theorem is referenced by: tron 4360 0elon 4370 ordtriexmidlem 4496 ontr2exmid 4502 ordtri2or2exmidlem 4503 onsucelsucexmidlem 4506 exmidonfinlem 7149 bj-omelon 13843 |
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