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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 9625 | . 2 ⊢ ω ∈ V | |
| 2 | omelon2 7878 | . 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 3453 Oncon0 6361 ωcom 7865 |
| 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 2734 ax-sep 5255 ax-nul 5267 ax-pr 5402 ax-un 7739 ax-inf2 9623 |
| 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 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-tr 5217 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-om 7866 |
| This theorem is used by: oancom 9633 cnfcomlem 9681 cnfcom 9682 cnfcom2lem 9683 cnfcom2 9684 cnfcom3lem 9685 cnfcom3 9686 cnfcom3clem 9687 cardom 9994 infxpenlem 10019 xpomen 10021 infxpidm2 10023 infxpenc 10024 infxpenc2lem1 10025 infxpenc2 10028 alephon 10075 infenaleph 10097 iunfictbso 10120 dfac12k 10153 infunsdom1 10217 domtriomlem 10447 dmct 10529 fimact 10542 fnct 10547 iunctb 10586 pwcfsdom 10595 canthp1lem2 10665 pwfseqlem4a 10673 pwfseqlem4 10674 pwfseqlem5 10675 wunex3 10753 znnen 16304 qnnen 16305 cygctb 20020 2ndcctbss 23682 2ndcomap 23685 2ndcsep 23686 tx1stc 23877 tx2ndc 23878 met1stc 24748 met2ndci 24749 re2ndc 25028 uniiccdif 25807 dyadmbl 25829 opnmblALT 25832 mbfimaopnlem 25884 aannenlem3 26563 dfz12s2 28751 exrecfnlem 38120 poimirlem32 38388 numinfctb 43931 onexomgt 44069 onexlimgt 44071 onexoegt 44072 1oaomeqom 44121 oaabsb 44122 oaordnrex 44123 oaordnr 44124 2omomeqom 44131 omnord1ex 44132 omnord1 44133 nnoeomeqom 44140 oenord1 44144 oaomoencom 44145 cantnftermord 44148 cantnfub 44149 cantnf2 44153 nnawordexg 44155 dflim5 44157 oacl2g 44158 onmcl 44159 omabs2 44160 omcl2 44161 tfsnfin 44180 ofoaf 44183 ofoafo 44184 naddcnff 44190 naddcnffo 44192 naddcnfcom 44194 naddcnfid1 44195 naddcnfid2 44196 naddcnfass 44197 naddwordnexlem0 44224 naddwordnexlem1 44225 naddwordnexlem3 44227 oawordex3 44228 naddwordnexlem4 44229 infordmin 44359 minregex 44361 omiscard 44370 sucomisnotcard 44371 aleph1min 44384 alephiso3 44386 wfaxinf2 45811 |
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