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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 12621 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14123 | . 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 1570 ∈ wcel 2143 (class class class)co 7410 1c1 11096 2c2 12290 ℤcz 12586 ↑cexp 14093 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-div 11867 df-nn 12229 df-2 12298 df-n0 12500 df-z 12587 df-uz 12858 df-seq 14034 df-exp 14094 |
| This theorem is referenced by: neg1sqe1 14228 binom21 14251 binom2sub1 14253 sq01 14257 01sqrexlem1 15289 sqrt1 15318 sinbnd 16231 cosbnd 16232 cos1bnd 16238 cos2bnd 16239 cos01gt0 16242 sqnprm 16756 numdensq 16808 zsqrtelqelz 16812 prmreclem1 16971 prmreclem2 16972 4sqlem13 17012 4sqlem19 17018 odadd 19915 abvneg 20929 gzrngunitlem 21582 gzrngunit 21583 zringunit 21616 sinhalfpilem 26628 cos2pi 26641 tangtx 26670 coskpi 26688 tanregt0 26704 efif1olem3 26709 root1id 26919 root1cj 26921 isosctrlem2 26984 asin1 27059 efiatan2 27082 bndatandm 27094 atans2 27096 wilthlem1 27232 dchrinv 27425 sum2dchr 27438 lgslem1 27461 lgsne0 27499 lgssq 27501 lgssq2 27502 1lgs 27504 lgs1 27505 lgsdinn0 27509 lgsquad2lem2 27549 lgsquad3 27551 2lgsoddprmlem3a 27574 2sqlem9 27591 2sqlem10 27592 2sqlem11 27593 2sqblem 27595 2sqb 27596 2sq2 27597 addsqn2reu 27605 addsqrexnreu 27606 addsq2nreurex 27608 mulog2sumlem2 27699 pntlemb 27761 axlowdimlem16 29307 ex-pr 30781 normlem1 31462 kbpj 32308 hstnmoc 32575 hstle1 32578 hst1h 32579 hstle 32582 strlem3a 32604 strlem4 32606 strlem5 32607 jplem1 32620 iconstr 34156 cos9thpiminplylem1 34172 cos9thpinconstrlem1 34179 dvasin 38355 dvacos 38356 areacirclem1 38359 areacirc 38364 cntotbnd 38447 3cubeslem1 43415 3cubeslem2 43416 3cubeslem3r 43418 pell1qrge1 43597 pell1qr1 43598 pell1qrgaplem 43600 pell14qrgapw 43603 pellqrex 43606 rmspecnonsq 43634 rmspecfund 43636 rmspecpos 43643 sqrtcval 44367 stoweidlem1 46715 wallispi2lem2 46786 stirlinglem10 46797 sin5tlem2 47611 lighneallem2 48358 onetansqsecsq 50539 cotsqcscsq 50540 |
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