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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 17304 | . 2 ⊢ Base = Slot (Base‘ndx) | |
| 2 | 1 | str0 17281 | 1 ⊢ ∅ = (Base‘∅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∅c0 4279 ‘cfv 6533 ndxcnx 17285 Basecbs 17301 |
| 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-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-1cn 11182 ax-addcl 11184 |
| 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7416 df-om 7863 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-nn 12258 df-slot 17274 df-ndx 17286 df-base 17302 |
| This theorem is used by: elbasfv 17307 elbasov 17308 ressbas 17328 ressbasssg 17329 ressbasssOLD 17332 ress0 17335 0cat 17777 oppcbas 17806 fucbas 18052 xpcbas 18266 xpchomfval 18267 xpccofval 18270 0pos 18409 join0 18491 meet0 18492 oduclatb 18595 isipodrs 18625 0g0 18757 frmdplusg 18963 efmndbas 18980 efmndbasabf 18981 efmndplusg 18989 grpn0 19095 grpinvfvi 19106 mulgfvi 19196 psgnfval 19627 subcmn 19964 submomnd 20259 invrfval 20530 suborng 21042 00lss 21125 00lsp 21165 thlbas 21909 dsmmfi 21951 asclfval 22093 psrbas 22149 psrplusg 22152 psrmulr 22157 resspsrbas 22188 opsrle 22263 00ply1bas 22464 ply1basfvi 22465 ply1plusgfvi 22466 matbas0pc 22631 matbas0 22632 matrcl 22634 mdetfval 22808 madufval 22859 mdegfval 26287 uc1pval 26365 mon1pval 26367 dchrrcl 27476 vtxval0 29496 fracbas 33746 mendbas 44021 mendplusgfval 44022 mendmulrfval 44024 mendvscafval 44027 ipolub00 49919 0func 50013 0funcALT 50014 initc 50017 0thinc 50385 initocmd 50595 termolmd 50596 |
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