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Mirrors > Home > MPE Home > Th. List > expne0d | Structured version Visualization version GIF version |
Description: Nonnegative integer exponentiation is nonzero if its mantissa is nonzero. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
expcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
sqrecd.1 | ⊢ (𝜑 → 𝐴 ≠ 0) |
expclzd.3 | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
Ref | Expression |
---|---|
expne0d | ⊢ (𝜑 → (𝐴↑𝑁) ≠ 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | expcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | sqrecd.1 | . 2 ⊢ (𝜑 → 𝐴 ≠ 0) | |
3 | expclzd.3 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
4 | expne0i 13460 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0 ∧ 𝑁 ∈ ℤ) → (𝐴↑𝑁) ≠ 0) | |
5 | 1, 2, 3, 4 | syl3anc 1367 | 1 ⊢ (𝜑 → (𝐴↑𝑁) ≠ 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 ≠ wne 3016 (class class class)co 7155 ℂcc 10534 0cc0 10536 ℤcz 11980 ↑cexp 13428 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-cnex 10592 ax-resscn 10593 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-mulcom 10600 ax-addass 10601 ax-mulass 10602 ax-distr 10603 ax-i2m1 10604 ax-1ne0 10605 ax-1rid 10606 ax-rnegex 10607 ax-rrecex 10608 ax-cnre 10609 ax-pre-lttri 10610 ax-pre-lttrn 10611 ax-pre-ltadd 10612 ax-pre-mulgt0 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4838 df-iun 4920 df-br 5066 df-opab 5128 df-mpt 5146 df-tr 5172 df-id 5459 df-eprel 5464 df-po 5473 df-so 5474 df-fr 5513 df-we 5515 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-pred 6147 df-ord 6193 df-on 6194 df-lim 6195 df-suc 6196 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-om 7580 df-2nd 7689 df-wrecs 7946 df-recs 8007 df-rdg 8045 df-er 8288 df-en 8509 df-dom 8510 df-sdom 8511 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 df-sub 10871 df-neg 10872 df-div 11297 df-nn 11638 df-n0 11897 df-z 11981 df-uz 12243 df-seq 13369 df-exp 13429 |
This theorem is referenced by: znsqcld 13525 absexpz 14664 0.999... 15236 bitsfzo 15783 bitsmod 15784 bitsinv1lem 15789 bitsuz 15822 pcexp 16195 dvdsprmpweqle 16221 pcaddlem 16223 pcadd 16224 qexpz 16236 dvrecg 24569 dvexp3 24574 plyeq0lem 24799 aareccl 24914 taylthlem2 24961 root1cj 25336 cxpeq 25337 dcubic1lem 25420 dcubic2 25421 cubic2 25425 cubic 25426 lgamgulmlem4 25608 basellem4 25660 basellem8 25664 lgseisenlem1 25950 lgseisenlem2 25951 lgsquadlem1 25955 dya2icoseg 31535 dya2iocucvr 31542 omssubadd 31558 oddpwdc 31612 signsplypnf 31820 signsply0 31821 knoppndvlem7 33857 knoppndvlem17 33867 dffltz 39269 fltne 39270 fltnlta 39273 3cubeslem4 39284 rmxyneg 39515 radcnvrat 40644 dvdivbd 42206 iblsplit 42249 wallispi2lem1 42355 wallispi2lem2 42356 wallispi2 42357 stirlinglem3 42360 stirlinglem4 42361 stirlinglem7 42364 stirlinglem8 42365 stirlinglem10 42367 stirlinglem13 42370 stirlinglem14 42371 stirlinglem15 42372 fourierdlem56 42446 fourierdlem57 42447 elaa2lem 42517 sge0ad2en 42712 ovnsubaddlem1 42851 fldivexpfllog2 44624 nn0digval 44659 dignnld 44662 dig2nn1st 44664 dig2bits 44673 dignn0flhalflem1 44674 dignn0flhalflem2 44675 dignn0ehalf 44676 itsclc0xyqsolr 44755 |
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