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| Mirrors > Home > MPE Home > Th. List > mulg0 | Structured version Visualization version GIF version | ||
| Description: Group multiple (exponentiation) operation at zero. (Contributed by Mario Carneiro, 11-Dec-2014.) |
| Ref | Expression |
|---|---|
| mulg0.b | ⊢ 𝐵 = (Base‘𝐺) |
| mulg0.o | ⊢ 0 = (0g‘𝐺) |
| mulg0.t | ⊢ · = (.g‘𝐺) |
| Ref | Expression |
|---|---|
| mulg0 | ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0z 12500 | . 2 ⊢ 0 ∈ ℤ | |
| 2 | mulg0.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | eqid 2737 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | mulg0.o | . . . 4 ⊢ 0 = (0g‘𝐺) | |
| 5 | eqid 2737 | . . . 4 ⊢ (invg‘𝐺) = (invg‘𝐺) | |
| 6 | mulg0.t | . . . 4 ⊢ · = (.g‘𝐺) | |
| 7 | eqid 2737 | . . . 4 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋})) | |
| 8 | 2, 3, 4, 5, 6, 7 | mulgval 19005 | . . 3 ⊢ ((0 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (0 · 𝑋) = if(0 = 0, 0 , if(0 < 0, (seq1((+g‘𝐺), (ℕ × {𝑋}))‘0), ((invg‘𝐺)‘(seq1((+g‘𝐺), (ℕ × {𝑋}))‘-0))))) |
| 9 | eqid 2737 | . . . 4 ⊢ 0 = 0 | |
| 10 | 9 | iftruei 4474 | . . 3 ⊢ if(0 = 0, 0 , if(0 < 0, (seq1((+g‘𝐺), (ℕ × {𝑋}))‘0), ((invg‘𝐺)‘(seq1((+g‘𝐺), (ℕ × {𝑋}))‘-0)))) = 0 |
| 11 | 8, 10 | eqtrdi 2788 | . 2 ⊢ ((0 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (0 · 𝑋) = 0 ) |
| 12 | 1, 11 | mpan 691 | 1 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ifcif 4467 {csn 4568 class class class wbr 5086 × cxp 5620 ‘cfv 6490 (class class class)co 7358 0cc0 11027 1c1 11028 < clt 11167 -cneg 11366 ℕcn 12146 ℤcz 12489 seqcseq 13925 Basecbs 17137 +gcplusg 17178 0gc0g 17360 invgcminusg 18868 .gcmg 19001 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-nn 12147 df-n0 12403 df-z 12490 df-uz 12753 df-seq 13926 df-mulg 19002 |
| This theorem is referenced by: ressmulgnn0 19011 mulgnn0gsum 19014 mulgnn0p1 19019 mulgnn0subcl 19021 mulgneg 19026 mulgaddcom 19032 mulginvcom 19033 mulgnn0z 19035 mulgnn0dir 19038 mulgneg2 19042 mulgnn0ass 19044 mhmmulg 19049 submmulg 19052 cycsubm 19135 odid 19471 oddvdsnn0 19477 oddvds 19480 odf1 19495 gexid 19514 mulgnn0di 19758 0cyg 19826 gsumconst 19867 omndmul2 20066 omndmul 20068 srgmulgass 20156 srgpcomp 20157 srgbinomlem3 20167 srgbinomlem4 20168 srgbinom 20170 mulgass2 20248 lmodvsmmulgdi 20850 cnfldmulg 21360 cnfldexp 21361 freshmansdream 21531 assamulgscmlem1 21856 mplcoe3 21994 mplcoe5 21996 mplbas2 21998 psrbagev1 22033 evlslem3 22036 evlslem1 22038 evlsvvvallem 22047 evlsvvval 22049 mhppwdeg 22094 psdpw 22114 ply1scltm 22224 ply1idvr1 22237 chfacfscmulgsum 22803 chfacfpmmulgsum 22807 cpmadugsumlemF 22819 tmdmulg 24035 clmmulg 25046 dchrptlem2 27216 xrsmulgzz 33074 ressmulgnn0d 33110 archirng 33254 archirngz 33255 archiabllem1b 33258 archiabllem2c 33261 elrgspnlem1 33308 elrgspnlem2 33309 elrgspnlem3 33310 elrgspnlem4 33311 elrgspn 33312 elrgspnsubrunlem1 33313 elrgspnsubrunlem2 33314 rprmdvdspow 33598 evl1deg1 33641 evl1deg2 33642 evl1deg3 33643 evlextv 33691 vieta 33729 aks6d1c1p6 42545 idomnnzpownz 42563 aks6d1c5lem2 42569 deg1pow 42572 aks6d1c6isolem1 42605 aks6d1c6lem5 42608 domnexpgn0cl 42967 abvexp 42976 selvvvval 43017 evlselv 43019 mhphflem 43028 mhphf 43029 lmodvsmdi 48813 |
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