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Mirrors > Home > MPE Home > Th. List > base0 | Structured version Visualization version GIF version |
Description: The base set of the empty structure. (Contributed by David A. Wheeler, 7-Jul-2016.) |
Ref | Expression |
---|---|
base0 | ⊢ ∅ = (Base‘∅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-base 16489 | . 2 ⊢ Base = Slot 1 | |
2 | 1 | str0 16535 | 1 ⊢ ∅ = (Base‘∅) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∅c0 4291 ‘cfv 6355 1c1 10538 Basecbs 16483 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-iota 6314 df-fun 6357 df-fv 6363 df-slot 16487 df-base 16489 |
This theorem is referenced by: elbasfv 16544 elbasov 16545 ressbasss 16556 ress0 16558 0cat 16959 oppcbas 16988 fucbas 17230 xpcbas 17428 xpchomfval 17429 xpccofval 17432 0pos 17564 meet0 17747 join0 17748 oduclatb 17754 isipodrs 17771 0g0 17874 frmdplusg 18019 efmndbas 18036 efmndbasabf 18037 efmndplusg 18045 grpn0 18135 grpinvfvi 18146 mulgfvi 18230 psgnfval 18628 subcmn 18957 invrfval 19423 00lss 19713 00lsp 19753 asclfval 20108 psrbas 20158 psrplusg 20161 psrmulr 20164 resspsrbas 20195 opsrle 20256 00ply1bas 20408 ply1basfvi 20409 ply1plusgfvi 20410 thlbas 20840 dsmmfi 20882 matbas0pc 21018 matbas0 21019 matrcl 21021 mdetfval 21195 madufval 21246 mdegfval 24656 uc1pval 24733 mon1pval 24735 dchrrcl 25816 vtxval0 26824 submomnd 30711 suborng 30888 bj-isrvec 34578 mendbas 39804 mendplusgfval 39805 mendmulrfval 39807 mendvscafval 39810 |
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