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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 12589 | . 2 ⊢ 0 ∈ ℤ | |
| 2 | mulg0.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | eqid 2763 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 4 | mulg0.o | . . . 4 ⊢ 0 = (0g‘𝐺) | |
| 5 | eqid 2763 | . . . 4 ⊢ (invg‘𝐺) = (invg‘𝐺) | |
| 6 | mulg0.t | . . . 4 ⊢ · = (.g‘𝐺) | |
| 7 | eqid 2763 | . . . 4 ⊢ seq1((+g‘𝐺), (ℕ × {𝑋})) = seq1((+g‘𝐺), (ℕ × {𝑋})) | |
| 8 | 2, 3, 4, 5, 6, 7 | mulgval 19123 | . . 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 2763 | . . . 4 ⊢ 0 = 0 | |
| 10 | 9 | iftruei 4488 | . . 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 2814 | . 2 ⊢ ((0 ∈ ℤ ∧ 𝑋 ∈ 𝐵) → (0 · 𝑋) = 0 ) |
| 12 | 1, 11 | mpan 700 | 1 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1561 ∈ wcel 2143 ifcif 4481 {csn 4583 class class class wbr 5101 × cxp 5646 ‘cfv 6521 (class class class)co 7396 0cc0 11084 1c1 11085 < clt 11227 -cneg 11426 ℕcn 12220 ℤcz 12578 seqcseq 14024 Basecbs 17255 +gcplusg 17296 0gc0g 17478 invgcminusg 18986 .gcmg 19119 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7718 ax-cnex 11140 ax-resscn 11141 ax-1cn 11142 ax-icn 11143 ax-addcl 11144 ax-addrcl 11145 ax-mulcl 11146 ax-mulrcl 11147 ax-mulcom 11148 ax-addass 11149 ax-mulass 11150 ax-distr 11151 ax-i2m1 11152 ax-1ne0 11153 ax-1rid 11154 ax-rnegex 11155 ax-rrecex 11156 ax-cnre 11157 ax-pre-lttri 11158 ax-pre-lttrn 11159 ax-pre-ltadd 11160 ax-pre-mulgt0 11161 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-1st 7970 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11229 df-mnf 11230 df-xr 11231 df-ltxr 11232 df-le 11233 df-sub 11427 df-neg 11428 df-nn 12221 df-n0 12492 df-z 12579 df-uz 12850 df-seq 14025 df-mulg 19120 |
| This theorem is referenced by: ressmulgnn0 19129 mulgnn0gsum 19132 mulgnn0p1 19137 mulgnn0subcl 19139 mulgneg 19144 mulgaddcom 19150 mulginvcom 19151 mulgnn0z 19153 mulgnn0dir 19156 mulgneg2 19160 mulgnn0ass 19162 mhmmulg 19167 submmulg 19170 cycsubm 19253 odid 19588 oddvdsnn0 19594 oddvds 19597 odf1 19612 gexid 19631 mulgnn0di 19875 0cyg 19943 gsumconst 19984 omndmul2 20183 omndmul 20185 srgmulgass 20277 srgpcomp 20278 srgbinomlem3 20288 srgbinomlem4 20289 srgbinom 20291 mulgass2 20369 lmodvsmmulgdi 20971 cnfldmulg 21463 cnfldexp 21464 freshmansdream 21633 assamulgscmlem1 21958 mplcoe3 22098 mplcoe5 22100 mplbas2 22102 psrbagev1 22137 evlslem3 22140 evlslem1 22142 evlsvvvallem 22151 evlsvvval 22153 selvvvval 22202 mhppwdeg 22222 psdpw 22242 ply1scltm 22351 ply1idvr1 22364 chfacfscmulgsum 22927 chfacfpmmulgsum 22931 cpmadugsumlemF 22943 tmdmulg 24159 clmmulg 25170 dchrptlem2 27336 xrsmulgzz 33193 ressmulgnn0d 33230 archirng 33374 archirngz 33375 archiabllem1b 33378 archiabllem2c 33381 elrgspnlem1 33429 elrgspnlem2 33430 elrgspnlem3 33431 elrgspnlem4 33432 elrgspn 33433 elrgspnsubrunlem1 33434 elrgspnsubrunlem2 33435 rprmdvdspow 33732 evl1deg1 33775 evl1deg2 33776 evl1deg3 33777 evlextv 33841 vieta 33879 aks6d1c1p6 42736 idomnnzpownz 42754 aks6d1c5lem2 42760 deg1pow 42763 aks6d1c6isolem1 42796 aks6d1c6lem5 42799 domnexpgn0cl 43146 abvexp 43155 evlselv 43176 mhphflem 43183 mhphf 43184 lmodvsmdi 48992 |
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