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Mirrors > Home > MPE Home > Th. List > 0fin | Structured version Visualization version Unicode version |
Description: The empty set is finite. (Contributed by FL, 14-Jul-2008.) |
Ref | Expression |
---|---|
0fin |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | peano1 7085 | . 2 | |
2 | ssid 3624 | . 2 | |
3 | ssnnfi 8179 | . 2 | |
4 | 1, 2, 3 | mp2an 708 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wcel 1990 wss 3574 c0 3915 com 7065 cfn 7955 |
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-pow 4843 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-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-om 7066 df-en 7956 df-fin 7959 |
This theorem is referenced by: nfielex 8189 xpfi 8231 fnfi 8238 iunfi 8254 fczfsuppd 8293 fsuppun 8294 0fsupp 8297 r1fin 8636 acndom 8874 numwdom 8882 ackbij1lem18 9059 sdom2en01 9124 fin23lem26 9147 isfin1-3 9208 gchxpidm 9491 fzfi 12771 fzofi 12773 hasheq0 13154 hashxp 13221 lcmf0 15347 0hashbc 15711 acsfn0 16321 isdrs2 16939 fpwipodrs 17164 symgfisg 17888 mplsubg 19437 mpllss 19438 psrbag0 19494 dsmm0cl 20084 mat0dimbas0 20272 mat0dim0 20273 mat0dimid 20274 mat0dimscm 20275 mat0dimcrng 20276 mat0scmat 20344 mavmul0 20358 mavmul0g 20359 mdet0pr 20398 m1detdiag 20403 d0mat2pmat 20543 chpmat0d 20639 fctop 20808 cmpfi 21211 bwth 21213 comppfsc 21335 ptbasid 21378 cfinfil 21697 ufinffr 21733 fin1aufil 21736 alexsubALTlem2 21852 alexsubALTlem4 21854 ptcmplem2 21857 tsmsfbas 21931 xrge0gsumle 22636 xrge0tsms 22637 fta1 24063 uhgr0edgfi 26132 fusgrfisbase 26220 vtxdg0e 26370 wwlksnfi 26801 wwlksnonfi 26816 clwwlksnfi 26913 numclwwlkffin0 27215 xrge0tsmsd 29785 esumnul 30110 esum0 30111 esumcst 30125 esumsnf 30126 esumpcvgval 30140 sibf0 30396 eulerpartlemt 30433 derang0 31151 topdifinffinlem 33195 matunitlindf 33407 0totbnd 33572 heiborlem6 33615 mzpcompact2lem 37314 rp-isfinite6 37864 0pwfi 39227 fouriercn 40449 rrxtopn0 40513 salexct 40552 sge0rnn0 40585 sge00 40593 sge0sn 40596 ovn0val 40764 ovn02 40782 hoidmv0val 40797 hoidmvle 40814 hoiqssbl 40839 von0val 40885 vonhoire 40886 vonioo 40896 vonicc 40899 vonsn 40905 lcoc0 42211 lco0 42216 |
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