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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 12565 | . 2 ⊢ 0 ∈ ℤ | |
| 2 | mulg0.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | eqid 2752 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | mulg0.o | . . . 4 ⊢ 0 = (0g‘𝐺) | |
| 5 | eqid 2752 | . . . 4 ⊢ (invg‘𝐺) = (invg‘𝐺) | |
| 6 | mulg0.t | . . . 4 ⊢ · = (.g‘𝐺) | |
| 7 | eqid 2752 | . . . 4 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋})) | |
| 8 | 2, 3, 4, 5, 6, 7 | mulgval 19085 | . . 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 2752 | . . . 4 ⊢ 0 = 0 | |
| 10 | 9 | iftruei 4477 | . . 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 2803 | . 2 ⊢ ((0 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (0 · 𝑋) = 0 ) |
| 12 | 1, 11 | mpan 698 | 1 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 = wceq 1550 ∈ wcel 2132 ifcif 4470 {csn 4572 class class class wbr 5090 × cxp 5634 ‘cfv 6506 (class class class)co 7381 0cc0 11059 1c1 11060 < clt 11202 -cneg 11401 ℕcn 12196 ℤcz 12554 seqcseq 14000 Basecbs 17217 +gcplusg 17258 0gc0g 17440 invgcminusg 18948 .gcmg 19081 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-1st 7955 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-nn 12197 df-n0 12468 df-z 12555 df-uz 12826 df-seq 14001 df-mulg 19082 |
| This theorem is referenced by: ressmulgnn0 19091 mulgnn0gsum 19094 mulgnn0p1 19099 mulgnn0subcl 19101 mulgneg 19106 mulgaddcom 19112 mulginvcom 19113 mulgnn0z 19115 mulgnn0dir 19118 mulgneg2 19122 mulgnn0ass 19124 mhmmulg 19129 submmulg 19132 cycsubm 19215 odid 19550 oddvdsnn0 19556 oddvds 19559 odf1 19574 gexid 19593 mulgnn0di 19837 0cyg 19905 gsumconst 19946 omndmul2 20145 omndmul 20147 srgmulgass 20235 srgpcomp 20236 srgbinomlem3 20246 srgbinomlem4 20247 srgbinom 20249 mulgass2 20327 lmodvsmmulgdi 20933 cnfldmulg 21425 cnfldexp 21426 freshmansdream 21595 assamulgscmlem1 21920 mplcoe3 22060 mplcoe5 22062 mplbas2 22064 psrbagev1 22099 evlslem3 22102 evlslem1 22104 evlsvvvallem 22113 evlsvvval 22115 selvvvval 22164 mhppwdeg 22184 psdpw 22204 ply1scltm 22313 ply1idvr1 22326 chfacfscmulgsum 22889 chfacfpmmulgsum 22893 cpmadugsumlemF 22905 tmdmulg 24121 clmmulg 25132 dchrptlem2 27295 xrsmulgzz 33137 ressmulgnn0d 33174 archirng 33318 archirngz 33319 archiabllem1b 33322 archiabllem2c 33325 elrgspnlem1 33372 elrgspnlem2 33373 elrgspnlem3 33374 elrgspnlem4 33375 elrgspn 33376 elrgspnsubrunlem1 33377 elrgspnsubrunlem2 33378 rprmdvdspow 33673 evl1deg1 33716 evl1deg2 33717 evl1deg3 33718 evlextv 33783 vieta 33821 aks6d1c1p6 42669 idomnnzpownz 42687 aks6d1c5lem2 42693 deg1pow 42696 aks6d1c6isolem1 42729 aks6d1c6lem5 42732 domnexpgn0cl 43079 abvexp 43088 evlselv 43109 mhphflem 43116 mhphf 43117 lmodvsmdi 48939 |
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