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| Mirrors > Home > MPE Home > Th. List > sq1 | Structured version Visualization version GIF version | ||
| Description: The square of 1 is 1. (Contributed by NM, 22-Aug-1999.) |
| Ref | Expression |
|---|---|
| sq1 | ⊢ (1↑2) = 1 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2z 12521 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14012 | . 2 ⊢ (2 ∈ ℤ → (1↑2) = 1) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (1↑2) = 1 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2113 (class class class)co 7356 1c1 11025 2c2 12198 ℤcz 12486 ↑cexp 13982 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 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 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-div 11793 df-nn 12144 df-2 12206 df-n0 12400 df-z 12487 df-uz 12750 df-seq 13923 df-exp 13983 |
| This theorem is referenced by: neg1sqe1 14117 binom21 14140 binom2sub1 14142 sq01 14146 01sqrexlem1 15163 sqrt1 15192 sinbnd 16103 cosbnd 16104 cos1bnd 16110 cos2bnd 16111 cos01gt0 16114 sqnprm 16627 numdensq 16679 zsqrtelqelz 16683 prmreclem1 16842 prmreclem2 16843 4sqlem13 16883 4sqlem19 16889 odadd 19777 abvneg 20757 gzrngunitlem 21385 gzrngunit 21386 zringunit 21419 sinhalfpilem 26426 cos2pi 26439 tangtx 26468 coskpi 26486 tanregt0 26502 efif1olem3 26507 root1id 26718 root1cj 26720 isosctrlem2 26783 asin1 26858 efiatan2 26881 bndatandm 26893 atans2 26895 wilthlem1 27032 dchrinv 27226 sum2dchr 27239 lgslem1 27262 lgsne0 27300 lgssq 27302 lgssq2 27303 1lgs 27305 lgs1 27306 lgsdinn0 27310 lgsquad2lem2 27350 lgsquad3 27352 2lgsoddprmlem3a 27375 2sqlem9 27392 2sqlem10 27393 2sqlem11 27394 2sqblem 27396 2sqb 27397 2sq2 27398 addsqn2reu 27406 addsqrexnreu 27407 addsq2nreurex 27409 mulog2sumlem2 27500 pntlemb 27562 axlowdimlem16 28979 ex-pr 30454 normlem1 31134 kbpj 31980 hstnmoc 32247 hstle1 32250 hst1h 32251 hstle 32254 strlem3a 32276 strlem4 32278 strlem5 32279 jplem1 32292 iconstr 33872 cos9thpiminplylem1 33888 cos9thpinconstrlem1 33895 dvasin 37844 dvacos 37845 areacirclem1 37848 areacirc 37853 cntotbnd 37936 3cubeslem1 42868 3cubeslem2 42869 3cubeslem3r 42871 pell1qrge1 43054 pell1qr1 43055 pell1qrgaplem 43057 pell14qrgapw 43060 pellqrex 43063 rmspecnonsq 43091 rmspecfund 43093 rmspecpos 43100 sqrtcval 43824 stoweidlem1 46187 wallispi2lem2 46258 stirlinglem10 46269 lighneallem2 47794 onetansqsecsq 49948 cotsqcscsq 49949 |
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