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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 9608 | . 2 ⊢ ω ∈ V | |
| 2 | omelon2 7871 | . 2 ⊢ (ω ∈ V → ω ∈ On) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ω ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 Vcvv 3463 Oncon0 6357 ωcom 7858 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pr 5402 ax-un 7730 ax-inf2 9606 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-tr 5220 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-om 7859 |
| This theorem is referenced by: oancom 9616 cnfcomlem 9664 cnfcom 9665 cnfcom2lem 9666 cnfcom2 9667 cnfcom3lem 9668 cnfcom3 9669 cnfcom3clem 9670 cardom 9968 infxpenlem 9993 xpomen 9995 infxpidm2 9997 infxpenc 9998 infxpenc2lem1 9999 infxpenc2 10002 alephon 10049 infenaleph 10071 iunfictbso 10094 dfac12k 10127 infunsdom1 10191 domtriomlem 10422 iunctb 10555 pwcfsdom 10564 canthp1lem2 10634 pwfseqlem4a 10642 pwfseqlem4 10643 pwfseqlem5 10644 wunex3 10722 znnen 16264 qnnen 16265 cygctb 19958 2ndcctbss 23577 2ndcomap 23580 2ndcsep 23581 tx1stc 23772 tx2ndc 23773 met1stc 24643 met2ndci 24644 re2ndc 24923 uniiccdif 25702 dyadmbl 25724 opnmblALT 25727 mbfimaopnlem 25779 aannenlem3 26456 dfz12s2 28643 exrecfnlem 37908 poimirlem32 38186 numinfctb 43715 onexomgt 43853 onexlimgt 43855 onexoegt 43856 1oaomeqom 43905 oaabsb 43906 oaordnrex 43907 oaordnr 43908 2omomeqom 43915 omnord1ex 43916 omnord1 43917 nnoeomeqom 43924 oenord1 43928 oaomoencom 43929 cantnftermord 43932 cantnfub 43933 cantnf2 43937 nnawordexg 43939 dflim5 43941 oacl2g 43942 onmcl 43943 omabs2 43944 omcl2 43945 tfsnfin 43964 ofoaf 43967 ofoafo 43968 naddcnff 43974 naddcnffo 43976 naddcnfcom 43978 naddcnfid1 43979 naddcnfid2 43980 naddcnfass 43981 naddwordnexlem0 44008 naddwordnexlem1 44009 naddwordnexlem3 44011 oawordex3 44012 naddwordnexlem4 44013 infordmin 44143 minregex 44145 omiscard 44154 sucomisnotcard 44155 aleph1min 44168 alephiso3 44170 wfaxinf2 45595 |
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