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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 12523 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14014 | . 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 7358 1c1 11027 2c2 12200 ℤcz 12488 ↑cexp 13984 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-2 12208 df-n0 12402 df-z 12489 df-uz 12752 df-seq 13925 df-exp 13985 |
| This theorem is referenced by: neg1sqe1 14119 binom21 14142 binom2sub1 14144 sq01 14148 01sqrexlem1 15165 sqrt1 15194 sinbnd 16105 cosbnd 16106 cos1bnd 16112 cos2bnd 16113 cos01gt0 16116 sqnprm 16629 numdensq 16681 zsqrtelqelz 16685 prmreclem1 16844 prmreclem2 16845 4sqlem13 16885 4sqlem19 16891 odadd 19779 abvneg 20759 gzrngunitlem 21387 gzrngunit 21388 zringunit 21421 sinhalfpilem 26428 cos2pi 26441 tangtx 26470 coskpi 26488 tanregt0 26504 efif1olem3 26509 root1id 26720 root1cj 26722 isosctrlem2 26785 asin1 26860 efiatan2 26883 bndatandm 26895 atans2 26897 wilthlem1 27034 dchrinv 27228 sum2dchr 27241 lgslem1 27264 lgsne0 27302 lgssq 27304 lgssq2 27305 1lgs 27307 lgs1 27308 lgsdinn0 27312 lgsquad2lem2 27352 lgsquad3 27354 2lgsoddprmlem3a 27377 2sqlem9 27394 2sqlem10 27395 2sqlem11 27396 2sqblem 27398 2sqb 27399 2sq2 27400 addsqn2reu 27408 addsqrexnreu 27409 addsq2nreurex 27411 mulog2sumlem2 27502 pntlemb 27564 axlowdimlem16 29030 ex-pr 30505 normlem1 31185 kbpj 32031 hstnmoc 32298 hstle1 32301 hst1h 32302 hstle 32305 strlem3a 32327 strlem4 32329 strlem5 32330 jplem1 32343 iconstr 33923 cos9thpiminplylem1 33939 cos9thpinconstrlem1 33946 dvasin 37905 dvacos 37906 areacirclem1 37909 areacirc 37914 cntotbnd 37997 3cubeslem1 42926 3cubeslem2 42927 3cubeslem3r 42929 pell1qrge1 43112 pell1qr1 43113 pell1qrgaplem 43115 pell14qrgapw 43118 pellqrex 43121 rmspecnonsq 43149 rmspecfund 43151 rmspecpos 43158 sqrtcval 43882 stoweidlem1 46245 wallispi2lem2 46316 stirlinglem10 46327 lighneallem2 47852 onetansqsecsq 50006 cotsqcscsq 50007 |
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