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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 9596 | . 2 ⊢ ω ∈ V | |
| 2 | omelon2 7859 | . 2 ⊢ (ω ∈ V → ω ∈ On) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ω ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 Vcvv 3455 Oncon0 6346 ωcom 7846 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pr 5391 ax-un 7718 ax-inf2 9594 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-sb 2092 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3078 df-rex 3088 df-rab 3416 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5102 df-opab 5164 df-tr 5209 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-om 7847 |
| This theorem is referenced by: oancom 9604 cnfcomlem 9652 cnfcom 9653 cnfcom2lem 9654 cnfcom2 9655 cnfcom3lem 9656 cnfcom3 9657 cnfcom3clem 9658 cardom 9956 infxpenlem 9981 xpomen 9983 infxpidm2 9985 infxpenc 9986 infxpenc2lem1 9987 infxpenc2 9990 alephon 10037 infenaleph 10059 iunfictbso 10082 dfac12k 10115 infunsdom1 10179 domtriomlem 10410 iunctb 10543 pwcfsdom 10552 canthp1lem2 10622 pwfseqlem4a 10630 pwfseqlem4 10631 pwfseqlem5 10632 wunex3 10710 znnen 16254 qnnen 16255 cygctb 19942 2ndcctbss 23522 2ndcomap 23525 2ndcsep 23526 tx1stc 23717 tx2ndc 23718 met1stc 24588 met2ndci 24589 re2ndc 24868 uniiccdif 25647 dyadmbl 25669 opnmblALT 25672 mbfimaopnlem 25724 aannenlem3 26401 dfz12s2 28588 exrecfnlem 37878 poimirlem32 38156 numinfctb 43685 onexomgt 43823 onexlimgt 43825 onexoegt 43826 1oaomeqom 43875 oaabsb 43876 oaordnrex 43877 oaordnr 43878 2omomeqom 43885 omnord1ex 43886 omnord1 43887 nnoeomeqom 43894 oenord1 43898 oaomoencom 43899 cantnftermord 43902 cantnfub 43903 cantnf2 43907 nnawordexg 43909 dflim5 43911 oacl2g 43912 onmcl 43913 omabs2 43914 omcl2 43915 tfsnfin 43934 ofoaf 43937 ofoafo 43938 naddcnff 43944 naddcnffo 43946 naddcnfcom 43948 naddcnfid1 43949 naddcnfid2 43950 naddcnfass 43951 naddwordnexlem0 43978 naddwordnexlem1 43979 naddwordnexlem3 43981 oawordex3 43982 naddwordnexlem4 43983 infordmin 44113 minregex 44115 omiscard 44124 sucomisnotcard 44125 aleph1min 44138 alephiso3 44140 wfaxinf2 45568 |
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