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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > signswbase | Structured version Visualization version GIF version |
Description: The base of π is the unordered triple reprensenting the possible signs. (Contributed by Thierry Arnoux, 9-Sep-2018.) |
Ref | Expression |
---|---|
signsw.p | ⒠⨣ = (π β {-1, 0, 1}, π β {-1, 0, 1} β¦ if(π = 0, π, π)) |
signsw.w | β’ π = {β¨(Baseβndx), {-1, 0, 1}β©, β¨(+gβndx), ⨣ β©} |
Ref | Expression |
---|---|
signswbase | β’ {-1, 0, 1} = (Baseβπ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tpex 7716 | . 2 β’ {-1, 0, 1} β V | |
2 | signsw.w | . . 3 β’ π = {β¨(Baseβndx), {-1, 0, 1}β©, β¨(+gβndx), ⨣ β©} | |
3 | 2 | grpbase 17212 | . 2 β’ ({-1, 0, 1} β V β {-1, 0, 1} = (Baseβπ)) |
4 | 1, 3 | ax-mp 5 | 1 β’ {-1, 0, 1} = (Baseβπ) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1541 β wcel 2106 Vcvv 3472 ifcif 4521 {cpr 4623 {ctp 4625 β¨cop 4627 βcfv 6531 β cmpo 7394 0cc0 11091 1c1 11092 -cneg 11426 ndxcnx 17107 Basecbs 17125 +gcplusg 17178 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5291 ax-nul 5298 ax-pow 5355 ax-pr 5419 ax-un 7707 ax-cnex 11147 ax-resscn 11148 ax-1cn 11149 ax-icn 11150 ax-addcl 11151 ax-addrcl 11152 ax-mulcl 11153 ax-mulrcl 11154 ax-mulcom 11155 ax-addass 11156 ax-mulass 11157 ax-distr 11158 ax-i2m1 11159 ax-1ne0 11160 ax-1rid 11161 ax-rnegex 11162 ax-rrecex 11163 ax-cnre 11164 ax-pre-lttri 11165 ax-pre-lttrn 11166 ax-pre-ltadd 11167 ax-pre-mulgt0 11168 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-reu 3376 df-rab 3432 df-v 3474 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4522 df-pw 4597 df-sn 4622 df-pr 4624 df-tp 4626 df-op 4628 df-uni 4901 df-iun 4991 df-br 5141 df-opab 5203 df-mpt 5224 df-tr 5258 df-id 5566 df-eprel 5572 df-po 5580 df-so 5581 df-fr 5623 df-we 5625 df-xp 5674 df-rel 5675 df-cnv 5676 df-co 5677 df-dm 5678 df-rn 5679 df-res 5680 df-ima 5681 df-pred 6288 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6483 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7348 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7838 df-1st 7956 df-2nd 7957 df-frecs 8247 df-wrecs 8278 df-recs 8352 df-rdg 8391 df-1o 8447 df-er 8685 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-pnf 11231 df-mnf 11232 df-xr 11233 df-ltxr 11234 df-le 11235 df-sub 11427 df-neg 11428 df-nn 12194 df-2 12256 df-n0 12454 df-z 12540 df-uz 12804 df-fz 13466 df-struct 17061 df-slot 17096 df-ndx 17108 df-base 17126 df-plusg 17191 |
This theorem is referenced by: signsw0g 33384 signswmnd 33385 signstcl 33393 signstf 33394 signstf0 33396 signstfvn 33397 |
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