| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 12731 | . 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 19310 | . . 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 4492 | . . 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 703 | 1 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ifcif 4485 {csn 4588 class class class wbr 5106 × cxp 5653 ‘cfv 6558 (class class class)co 7443 0cc0 11227 1c1 11228 < clt 11370 -cneg 11569 ℕcn 12362 ℤcz 12720 seqcseq 14171 Basecbs 17416 +gcplusg 17457 0gc0g 17639 invgcminusg 19174 .gcmg 19306 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-n0 12634 df-z 12721 df-uz 12993 df-seq 14172 df-mulg 19307 |
| This theorem is used by: ressmulgnn0 19316 mulgnn0gsum 19319 mulgnn0p1 19324 mulgnn0subcl 19326 mulgneg 19331 mulgaddcom 19337 mulginvcom 19338 mulgnn0z 19340 mulgnn0dir 19343 mulgneg2 19347 mulgnn0ass 19349 mhmmulg 19354 submmulg 19357 cycsubm 19446 odid 19782 oddvdsnn0 19788 oddvds 19791 odf1 19806 gexid 19825 mulgnn0di 20069 0cyg 20137 gsumconst 20178 omndmul2 20377 omndmul 20379 srgmulgass 20473 srgpcomp 20474 srgbinomlem3 20484 srgbinomlem4 20485 srgbinom 20487 mulgass2 20570 lmodvsmmulgdi 21202 cnfldmulg 21740 cnfldexp 21741 freshmansdream 21910 assamulgscmlem1 22237 mplcoe3 22377 mplcoe5 22379 mplbas2 22381 psrbagev1 22416 evlslem3 22419 evlslem1 22421 evlsvvvallem 22430 evlsvvval 22432 selvvvval 22481 mhppwdeg 22501 psdpw 22521 ply1scltm 22630 ply1idvr1 22643 chfacfscmulgsum 23208 chfacfpmmulgsum 23212 cpmadugsumlemF 23224 tmdmulg 24441 clmmulg 25452 dchrptlem2 27622 xrsmulgzz 33640 ressmulgnn0d 33675 archirng 33819 archirngz 33820 archiabllem1b 33823 archiabllem2c 33826 elrgspnlem1 33873 elrgspnlem2 33874 elrgspnlem3 33875 elrgspnlem4 33876 elrgspn 33877 elrgspnsubrunlem1 33878 elrgspnsubrunlem2 33879 rprmdvdspow 34135 evl1deg1 34178 evl1deg2 34179 evl1deg3 34180 evlextv 34244 vieta 34282 aks6d1c1p6 43356 idomnnzpownz 43374 aks6d1c5lem2 43380 deg1pow 43383 aks6d1c6isolem1 43416 aks6d1c6lem5 43419 domnexpgn0cl 43777 abvexp 43789 evlselv 43810 mhphflem 43817 mhphf 43818 lmodvsmdi 49696 |
| Copyright terms: Public domain | W3C validator |