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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 12510 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14004 | . 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 2111 (class class class)co 7352 1c1 11013 2c2 12186 ℤcz 12474 ↑cexp 13974 |
| 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 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11068 ax-resscn 11069 ax-1cn 11070 ax-icn 11071 ax-addcl 11072 ax-addrcl 11073 ax-mulcl 11074 ax-mulrcl 11075 ax-mulcom 11076 ax-addass 11077 ax-mulass 11078 ax-distr 11079 ax-i2m1 11080 ax-1ne0 11081 ax-1rid 11082 ax-rnegex 11083 ax-rrecex 11084 ax-cnre 11085 ax-pre-lttri 11086 ax-pre-lttrn 11087 ax-pre-ltadd 11088 ax-pre-mulgt0 11089 |
| 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 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-pnf 11154 df-mnf 11155 df-xr 11156 df-ltxr 11157 df-le 11158 df-sub 11352 df-neg 11353 df-div 11781 df-nn 12132 df-2 12194 df-n0 12388 df-z 12475 df-uz 12739 df-seq 13915 df-exp 13975 |
| This theorem is referenced by: neg1sqe1 14109 binom21 14132 binom2sub1 14134 sq01 14138 01sqrexlem1 15155 sqrt1 15184 sinbnd 16095 cosbnd 16096 cos1bnd 16102 cos2bnd 16103 cos01gt0 16106 sqnprm 16619 numdensq 16671 zsqrtelqelz 16675 prmreclem1 16834 prmreclem2 16835 4sqlem13 16875 4sqlem19 16881 odadd 19768 abvneg 20747 gzrngunitlem 21375 gzrngunit 21376 zringunit 21409 sinhalfpilem 26405 cos2pi 26418 tangtx 26447 coskpi 26465 tanregt0 26481 efif1olem3 26486 root1id 26697 root1cj 26699 isosctrlem2 26762 asin1 26837 efiatan2 26860 bndatandm 26872 atans2 26874 wilthlem1 27011 dchrinv 27205 sum2dchr 27218 lgslem1 27241 lgsne0 27279 lgssq 27281 lgssq2 27282 1lgs 27284 lgs1 27285 lgsdinn0 27289 lgsquad2lem2 27329 lgsquad3 27331 2lgsoddprmlem3a 27354 2sqlem9 27371 2sqlem10 27372 2sqlem11 27373 2sqblem 27375 2sqb 27376 2sq2 27377 addsqn2reu 27385 addsqrexnreu 27386 addsq2nreurex 27388 mulog2sumlem2 27479 pntlemb 27541 axlowdimlem16 28942 ex-pr 30417 normlem1 31097 kbpj 31943 hstnmoc 32210 hstle1 32213 hst1h 32214 hstle 32217 strlem3a 32239 strlem4 32241 strlem5 32242 jplem1 32255 iconstr 33786 cos9thpiminplylem1 33802 cos9thpinconstrlem1 33809 dvasin 37750 dvacos 37751 areacirclem1 37754 areacirc 37759 cntotbnd 37842 3cubeslem1 42782 3cubeslem2 42783 3cubeslem3r 42785 pell1qrge1 42968 pell1qr1 42969 pell1qrgaplem 42971 pell14qrgapw 42974 pellqrex 42977 rmspecnonsq 43005 rmspecfund 43007 rmspecpos 43014 sqrtcval 43739 stoweidlem1 46104 wallispi2lem2 46175 stirlinglem10 46186 lighneallem2 47711 onetansqsecsq 49867 cotsqcscsq 49868 |
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