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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 9610 | . 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 2142 Vcvv 3454 Oncon0 6360 ωcom 7860 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pr 5403 ax-un 7734 ax-inf2 9608 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-tr 5218 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-om 7861 |
| This theorem is used by: oancom 9618 cnfcomlem 9666 cnfcom 9667 cnfcom2lem 9668 cnfcom2 9669 cnfcom3lem 9670 cnfcom3 9671 cnfcom3clem 9672 cardom 9979 infxpenlem 10004 xpomen 10006 infxpidm2 10008 infxpenc 10009 infxpenc2lem1 10010 infxpenc2 10013 alephon 10060 infenaleph 10082 iunfictbso 10105 dfac12k 10138 infunsdom1 10202 domtriomlem 10432 iunctb 10565 pwcfsdom 10574 canthp1lem2 10644 pwfseqlem4a 10652 pwfseqlem4 10653 pwfseqlem5 10654 wunex3 10732 znnen 16274 qnnen 16275 cygctb 19968 2ndcctbss 23623 2ndcomap 23626 2ndcsep 23627 tx1stc 23818 tx2ndc 23819 met1stc 24689 met2ndci 24690 re2ndc 24969 uniiccdif 25748 dyadmbl 25770 opnmblALT 25773 mbfimaopnlem 25825 aannenlem3 26504 dfz12s2 28692 exrecfnlem 38053 poimirlem32 38331 numinfctb 43858 onexomgt 43996 onexlimgt 43998 onexoegt 43999 1oaomeqom 44048 oaabsb 44049 oaordnrex 44050 oaordnr 44051 2omomeqom 44058 omnord1ex 44059 omnord1 44060 nnoeomeqom 44067 oenord1 44071 oaomoencom 44072 cantnftermord 44075 cantnfub 44076 cantnf2 44080 nnawordexg 44082 dflim5 44084 oacl2g 44085 onmcl 44086 omabs2 44087 omcl2 44088 tfsnfin 44107 ofoaf 44110 ofoafo 44111 naddcnff 44117 naddcnffo 44119 naddcnfcom 44121 naddcnfid1 44122 naddcnfid2 44123 naddcnfass 44124 naddwordnexlem0 44151 naddwordnexlem1 44152 naddwordnexlem3 44154 oawordex3 44155 naddwordnexlem4 44156 infordmin 44286 minregex 44288 omiscard 44297 sucomisnotcard 44298 aleph1min 44311 alephiso3 44313 wfaxinf2 45738 |
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