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Mirrors > Home > MPE Home > Th. List > 1on | Structured version Visualization version Unicode version |
Description: Ordinal 1 is an ordinal number. (Contributed by NM, 29-Oct-1995.) |
Ref | Expression |
---|---|
1on |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-1o 7560 | . 2 | |
2 | 0elon 5778 | . . 3 | |
3 | 2 | onsuci 7038 | . 2 |
4 | 1, 3 | eqeltri 2697 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wcel 1990 c0 3915 con0 5723 csuc 5725 c1o 7553 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-tr 4753 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-ord 5726 df-on 5727 df-suc 5729 df-1o 7560 |
This theorem is referenced by: 2on 7568 ondif2 7582 2oconcl 7583 fnoe 7590 oev 7594 oe0 7602 oev2 7603 oesuclem 7605 oecl 7617 o1p1e2 7620 o2p2e4 7621 om1r 7623 oe1m 7625 omword1 7653 omword2 7654 omlimcl 7658 oneo 7661 oewordi 7671 oelim2 7675 oeoa 7677 oeoe 7679 oeeui 7682 oaabs2 7725 endisj 8047 sdom1 8160 sucxpdom 8169 oancom 8548 cnfcom3lem 8600 pm54.43lem 8825 pm54.43 8826 infxpenc 8841 infxpenc2 8845 uncdadom 8993 cdaun 8994 cdaen 8995 cda1dif 8998 pm110.643 8999 pm110.643ALT 9000 cdacomen 9003 cdaassen 9004 xpcdaen 9005 mapcdaen 9006 cdaxpdom 9011 cdafi 9012 cdainf 9014 infcda1 9015 pwcda1 9016 pwcdadom 9038 cfsuc 9079 isfin4-3 9137 dcomex 9269 pwcfsdom 9405 pwxpndom2 9487 wunex2 9560 wuncval2 9569 tsk2 9587 sadcf 15175 sadcp1 15177 xpscg 16218 xpscfn 16219 xpsc0 16220 xpsc1 16221 xpsfrnel 16223 xpsfrnel2 16225 xpsle 16241 efgmnvl 18127 efgi1 18134 frgpuptinv 18184 frgpnabllem1 18276 dmdprdpr 18448 dprdpr 18449 psr1crng 19557 psr1assa 19558 psr1tos 19559 psr1bas 19561 vr1cl2 19563 ply1lss 19566 ply1subrg 19567 coe1fval3 19578 ressply1bas2 19598 ressply1add 19600 ressply1mul 19601 ressply1vsca 19602 subrgply1 19603 00ply1bas 19610 ply1plusgfvi 19612 psr1ring 19617 psr1lmod 19619 psr1sca 19620 ply1ascl 19628 subrg1ascl 19629 subrg1asclcl 19630 subrgvr1 19631 subrgvr1cl 19632 coe1z 19633 coe1mul2lem1 19637 coe1mul2 19639 coe1tm 19643 evls1val 19685 evls1rhm 19687 evls1sca 19688 evl1val 19693 evl1rhm 19696 evl1sca 19698 evl1var 19700 evls1var 19702 mpfpf1 19715 pf1mpf 19716 pf1ind 19719 xkofvcn 21487 xpstopnlem1 21612 xpstopnlem2 21614 ufildom1 21730 xpsdsval 22186 deg1z 23847 deg1addle 23861 deg1vscale 23864 deg1vsca 23865 deg1mulle2 23869 deg1le0 23871 ply1nzb 23882 sltval2 31809 nofv 31810 noxp1o 31816 noextendlt 31822 sltsolem1 31826 bdayfo 31828 nosepnelem 31830 nosep1o 31832 nosepdmlem 31833 nolt02o 31845 nosupbnd1lem5 31858 nosupbnd2lem1 31861 noetalem1 31863 noetalem3 31865 noetalem4 31866 rankeq1o 32278 ssoninhaus 32447 onint1 32448 finxp1o 33229 finxpreclem3 33230 finxpreclem4 33231 finxpreclem5 33232 finxpsuclem 33234 pw2f1ocnv 37604 wepwsolem 37612 pwfi2f1o 37666 clsk3nimkb 38338 clsk1indlem4 38342 clsk1indlem1 38343 ply1ass23l 42170 |
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