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| Mirrors > Home > MPE Home > Th. List > omelon | Structured version Visualization version GIF version | ||
| Description: Omega is an ordinal number. Theorem 1.22 of [Schloeder] p. 3. (Contributed by NM, 10-May-1998.) (Revised by Mario Carneiro, 30-Jan-2013.) |
| Ref | Expression |
|---|---|
| omelon | ⊢ ω ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | omex 9622 | . 2 ⊢ ω ∈ V | |
| 2 | omelon2 7873 | . 2 ⊢ (ω ∈ V → ω ∈ On) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ω ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 Vcvv 3450 Oncon0 6351 ωcom 7860 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 ax-un 7734 ax-inf2 9620 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-opab 5167 df-tr 5212 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-om 7861 |
| This theorem is used by: oancom 9630 cnfcomlem 9678 cnfcom 9679 cnfcom2lem 9680 cnfcom2 9681 cnfcom3lem 9682 cnfcom3 9683 cnfcom3clem 9684 cardom 10038 infxpenlem 10063 xpomen 10065 infxpidm2 10067 infxpenc 10068 infxpenc2lem1 10069 infxpenc2 10072 alephon 10119 infenaleph 10141 iunfictbso 10164 dfac12k 10197 infunsdom1 10261 domtriomlem 10491 dmct 10573 fimact 10586 fnct 10591 iunctb 10630 pwcfsdom 10639 canthp1lem2 10709 pwfseqlem4a 10717 pwfseqlem4 10718 pwfseqlem5 10719 wunex3 10797 znnen 16347 qnnen 16348 cygctb 20067 2ndcctbss 23735 2ndcomap 23738 2ndcsep 23739 tx1stc 23930 tx2ndc 23931 met1stc 24801 met2ndci 24802 re2ndc 25081 uniiccdif 25860 dyadmbl 25882 opnmblALT 25885 mbfimaopnlem 25937 aannenlem3 26620 dfz12s2 28807 exrecfnlem 38222 poimirlem32 38490 numinfctb 44048 onexomgt 44186 onexlimgt 44188 onexoegt 44189 1oaomeqom 44238 oaabsb 44239 oaordnrex 44240 oaordnr 44241 2omomeqom 44248 omnord1ex 44249 omnord1 44250 nnoeomeqom 44257 oenord1 44261 oaomoencom 44262 cantnftermord 44265 cantnfub 44266 cantnf2 44270 nnawordexg 44272 dflim5 44274 oacl2g 44275 onmcl 44276 omabs2 44277 omcl2 44278 tfsnfin 44297 ofoaf 44300 ofoafo 44301 naddcnff 44307 naddcnffo 44309 naddcnfcom 44311 naddcnfid1 44312 naddcnfid2 44313 naddcnfass 44314 naddwordnexlem0 44341 naddwordnexlem1 44342 naddwordnexlem3 44344 oawordex3 44345 naddwordnexlem4 44346 infordmin 44476 minregex 44478 omiscard 44487 sucomisnotcard 44488 aleph1min 44501 alephiso3 44503 wfaxinf2 45928 subsaliuncl 47290 smflimlem6 47708 |
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