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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 17396 | . 2 ⊢ Base = Slot (Base‘ndx) | |
| 2 | 1 | str0 17373 | 1 ⊢ ∅ = (Base‘∅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∅c0 4278 ‘cfv 6539 ndxcnx 17377 Basecbs 17393 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-1cn 11262 ax-addcl 11264 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-ov 7424 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-nn 12340 df-slot 17366 df-ndx 17378 df-base 17394 |
| This theorem is used by: elbasfv 17399 elbasov 17400 ressbas 17420 ressbasssg 17421 ressbasssOLD 17424 ress0 17427 0cat 17869 oppcbas 17898 fucbas 18144 xpcbas 18358 xpchomfval 18359 xpccofval 18362 0pos 18501 join0 18583 meet0 18584 oduclatb 18687 isipodrs 18717 0g0 18850 frmdplusg 19056 efmndbas 19073 efmndbasabf 19074 efmndplusg 19082 grpn0 19188 grpinvfvi 19199 mulgfvi 19289 psgnfval 19720 subcmn 20057 submomnd 20352 invrfval 20625 suborng 21139 00lss 21222 00lsp 21262 thlbas 22008 dsmmfi 22050 asclfval 22192 psrbas 22248 psrplusg 22251 psrmulr 22256 resspsrbas 22287 opsrle 22362 00ply1bas 22563 ply1basfvi 22564 ply1plusgfvi 22565 matbas0pc 22730 matbas0 22731 matrcl 22733 mdetfval 22907 madufval 22958 mdegfval 26386 uc1pval 26464 mon1pval 26466 dchrrcl 27573 vtxval0 29623 fracbas 33914 mendbas 44276 mendplusgfval 44277 mendmulrfval 44279 mendvscafval 44282 ipolub00 50201 0func 50296 0funcALT 50297 initc 50300 0thinc 50688 initocmd 50946 termolmd 50947 |
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