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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 | baseid 17422 | . 2 ⊢ Base = Slot (Base‘ndx) | |
| 2 | 1 | str0 17399 | 1 ⊢ ∅ = (Base‘∅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∅c0 4281 ‘cfv 6561 ndxcnx 17403 Basecbs 17419 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-1cn 11288 ax-addcl 11290 |
| 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-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-ov 7449 df-om 7905 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-nn 12366 df-slot 17392 df-ndx 17404 df-base 17420 |
| This theorem is used by: elbasfv 17425 elbasov 17426 ressbas 17446 ressbasssg 17447 ressbasssOLD 17450 ress0 17453 0cat 17895 oppcbas 17924 fucbas 18170 xpcbas 18384 xpchomfval 18385 xpccofval 18388 0pos 18527 join0 18609 meet0 18610 oduclatb 18713 isipodrs 18743 0g0 18876 frmdplusg 19082 efmndbas 19099 efmndbasabf 19100 efmndplusg 19108 grpn0 19214 grpinvfvi 19225 mulgfvi 19315 psgnfval 19747 subcmn 20084 submomnd 20379 invrfval 20652 suborng 21166 00lss 21249 00lsp 21289 thlbas 22035 dsmmfi 22077 asclfval 22219 psrbas 22275 psrplusg 22278 psrmulr 22283 resspsrbas 22314 opsrle 22389 00ply1bas 22590 ply1basfvi 22591 ply1plusgfvi 22592 matbas0pc 22757 matbas0 22758 matrcl 22760 mdetfval 22934 madufval 22985 mdegfval 26413 uc1pval 26491 mon1pval 26493 dchrrcl 27600 vtxval0 29650 fracbas 33951 mendbas 44385 mendplusgfval 44386 mendmulrfval 44388 mendvscafval 44391 ipolub00 50322 0func 50417 0funcALT 50418 initc 50421 0thinc 50809 initocmd 51067 termolmd 51068 |
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