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Related theorems GIF version |
| Description: An ordinal number has the ordinal property. |
| Ref | Expression |
|---|---|
| eloni | ⊢ (A ∈ On → Ord A) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elong 2207 | . 2 ⊢ (A ∈ On → (A ∈ On ↔ Ord A)) | |
| 2 | 1 | ibi 449 | 1 ⊢ (A ∈ On → Ord A) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 ∈ wcel 1092 Ord word 2198 Oncon0 2199 |
| This theorem is referenced by: elon2 2210 onelon 2223 onin 2229 ontri1 2232 ordon 2238 ordeleqon 2241 onsst 2243 ssorduni 2249 onelpsst 2253 onsseleq 2254 onelsst 2255 ontr1 2258 ontr2 2259 ordunidif 2260 on0eln0 2279 ordsssuc 2310 onsssuc 2311 onnbtwn 2317 ordsuc 2318 onsucmin 2323 ordunisuc 2339 suc11 2341 onord 2343 onssneli 2349 onuninsuc 2356 ordzsl 2366 nlimon 2369 nnord 2381 tfinds 2401 tfindsg2 2403 tfrlem10 2958 tz7.48lem 2993 oesuc 3134 oaordi 3148 oaord 3149 oacan 3150 oawordri 3152 oalimcl 3162 oaass 3163 oen0 3165 nnarcl 3174 omsmo 3196 onomeneq 3414 infensuc 3484 r1ord 3499 r1val1 3502 rankr1 3518 r1val2 3522 rankval3 3525 bndrank 3526 r1pw 3529 weth 3602 zornlem6 3608 cardnn 3631 ondomcard 3663 carduni 3664 cardaleph 3690 iscard3 3693 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-16 922 ax-17 925 ax-ext 1074 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3an 583 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-ral 1205 df-rex 1206 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-sn 1811 df-pr 1812 df-op 1815 df-uni 1920 df-tr 2042 df-br 2063 df-po 2128 df-so 2138 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 |