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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 12625 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14126 | . 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 1567 ∈ wcel 2149 (class class class)co 7411 1c1 11100 2c2 12294 ℤcz 12590 ↑cexp 14096 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7862 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-div 11871 df-nn 12233 df-2 12302 df-n0 12504 df-z 12591 df-uz 12862 df-seq 14037 df-exp 14097 |
| This theorem is referenced by: neg1sqe1 14231 binom21 14254 binom2sub1 14256 sq01 14260 01sqrexlem1 15292 sqrt1 15321 sinbnd 16235 cosbnd 16236 cos1bnd 16242 cos2bnd 16243 cos01gt0 16246 sqnprm 16760 numdensq 16812 zsqrtelqelz 16816 prmreclem1 16975 prmreclem2 16976 4sqlem13 17016 4sqlem19 17022 odadd 19919 abvneg 20906 gzrngunitlem 21550 gzrngunit 21551 zringunit 21584 sinhalfpilem 26593 cos2pi 26606 tangtx 26635 coskpi 26653 tanregt0 26669 efif1olem3 26674 root1id 26884 root1cj 26886 isosctrlem2 26949 asin1 27024 efiatan2 27047 bndatandm 27059 atans2 27061 wilthlem1 27197 dchrinv 27390 sum2dchr 27403 lgslem1 27426 lgsne0 27464 lgssq 27466 lgssq2 27467 1lgs 27469 lgs1 27470 lgsdinn0 27474 lgsquad2lem2 27514 lgsquad3 27516 2lgsoddprmlem3a 27539 2sqlem9 27556 2sqlem10 27557 2sqlem11 27558 2sqblem 27560 2sqb 27561 2sq2 27562 addsqn2reu 27570 addsqrexnreu 27571 addsq2nreurex 27573 mulog2sumlem2 27664 pntlemb 27726 axlowdimlem16 29247 ex-pr 30721 normlem1 31402 kbpj 32248 hstnmoc 32515 hstle1 32518 hst1h 32519 hstle 32522 strlem3a 32544 strlem4 32546 strlem5 32547 jplem1 32560 iconstr 34100 cos9thpiminplylem1 34116 cos9thpinconstrlem1 34123 dvasin 38242 dvacos 38243 areacirclem1 38246 areacirc 38251 cntotbnd 38334 3cubeslem1 43306 3cubeslem2 43307 3cubeslem3r 43309 pell1qrge1 43488 pell1qr1 43489 pell1qrgaplem 43491 pell14qrgapw 43494 pellqrex 43497 rmspecnonsq 43525 rmspecfund 43527 rmspecpos 43534 sqrtcval 44258 stoweidlem1 46606 wallispi2lem2 46677 stirlinglem10 46688 sin5tlem2 47499 lighneallem2 48246 onetansqsecsq 50423 cotsqcscsq 50424 |
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