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| Description: A limit ordinal class that is also a set is an ordinal number. |
| Ref | Expression |
|---|---|
| limelon |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elong 2983 |
. . 3
| |
| 2 | limord 3032 |
. . 3
| |
| 3 | 1, 2 | syl5bir 208 |
. 2
|
| 4 | 3 | imp 348 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: limuni3 3206 tfindsg2 3214 dfom2 3220 rdglim 4249 oalim 4303 omlim 4304 oelim 4305 oalimcl 4330 oaass 4331 omlimcl 4345 odi 4346 omass 4347 oen0 4349 oewordri 4355 oelim2 4358 r1pwcl 4833 alephordi 5024 cflim 5059 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-12 1004 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-3an 783 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-ral 1695 df-rex 1696 df-v 1858 df-dif 2101 df-un 2102 df-in 2103 df-ss 2105 df-nul 2333 df-sn 2470 df-pr 2471 df-op 2474 df-uni 2570 df-br 2693 df-tr 2755 df-po 2918 df-so 2929 df-fr 2947 df-we 2962 df-ord 2978 df-on 2979 df-lim 2980 |