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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 9644 | . 2 ⊢ ω ∈ V | |
| 2 | omelon2 7890 | . 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 2144 Vcvv 3450 Oncon0 6362 ωcom 7877 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 ax-un 7751 ax-inf2 9642 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 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-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 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 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-om 7878 |
| This theorem is used by: oancom 9652 cnfcomlem 9700 cnfcom 9701 cnfcom2lem 9702 cnfcom2 9703 cnfcom3lem 9704 cnfcom3 9705 cnfcom3clem 9706 cardom 10067 infxpenlem 10092 xpomen 10094 infxpidm2 10096 infxpenc 10097 infxpenc2lem1 10098 infxpenc2 10101 alephon 10148 infenaleph 10170 iunfictbso 10193 dfac12k 10226 infunsdom1 10290 domtriomlem 10520 dmct 10602 fimact 10615 fnct 10620 iunctb 10659 pwcfsdom 10668 canthp1lem2 10738 pwfseqlem4a 10746 pwfseqlem4 10747 pwfseqlem5 10748 wunex3 10826 znnen 16380 qnnen 16381 cygctb 20106 2ndcctbss 23774 2ndcomap 23777 2ndcsep 23778 tx1stc 23969 tx2ndc 23970 met1stc 24840 met2ndci 24841 re2ndc 25120 uniiccdif 25899 dyadmbl 25921 opnmblALT 25924 mbfimaopnlem 25976 aannenlem3 26657 dfz12s2 28874 exrecfnlem 38345 poimirlem32 38613 numinfctb 44148 onexomgt 44286 onexlimgt 44288 onexoegt 44289 1oaomeqom 44338 oaabsb 44339 oaordnrex 44340 oaordnr 44341 2omomeqom 44348 omnord1ex 44349 omnord1 44350 nnoeomeqom 44357 oenord1 44361 oaomoencom 44362 cantnftermord 44365 cantnfub 44366 cantnf2 44370 nnawordexg 44372 dflim5 44374 oacl2g 44375 onmcl 44376 omabs2 44377 omcl2 44378 tfsnfin 44397 ofoaf 44400 ofoafo 44401 naddcnff 44407 naddcnffo 44409 naddcnfcom 44411 naddcnfid1 44412 naddcnfid2 44413 naddcnfass 44414 naddwordnexlem0 44441 naddwordnexlem1 44442 naddwordnexlem3 44444 oawordex3 44445 naddwordnexlem4 44446 infordmin 44576 minregex 44578 omiscard 44587 sucomisnotcard 44588 aleph1min 44601 alephiso3 44603 wfaxinf2 46034 subsaliuncl 47411 smflimlem6 47829 |
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