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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 3665 |
. . 3
| |
| 2 | limord 3723 |
. . 3
| |
| 3 | 1, 2 | syl5bir 227 |
. 2
|
| 4 | 3 | imp 377 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: onzsl 3928 limuni3 3936 tfindsg2 3945 dfom2 3951 rdglim 5156 oalim 5212 omlim 5213 oelim 5214 oalimcl 5242 oaass 5243 omlimcl 5257 odi 5258 omass 5259 oen0 5261 oewordri 5267 oelim2 5270 r1pwcl 5798 alephordi 6022 cflim 6057 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3an 860 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-ral 2109 df-rex 2110 df-v 2294 df-in 2603 df-ss 2605 df-uni 3178 df-tr 3412 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 |