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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 12626 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14127 | . 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 11101 2c2 12295 ℤcz 12591 ↑cexp 14097 |
| 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 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| 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 7863 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-n0 12505 df-z 12592 df-uz 12863 df-seq 14038 df-exp 14098 |
| This theorem is referenced by: neg1sqe1 14232 binom21 14255 binom2sub1 14257 sq01 14261 01sqrexlem1 15293 sqrt1 15322 sinbnd 16236 cosbnd 16237 cos1bnd 16243 cos2bnd 16244 cos01gt0 16247 sqnprm 16761 numdensq 16813 zsqrtelqelz 16817 prmreclem1 16976 prmreclem2 16977 4sqlem13 17017 4sqlem19 17023 odadd 19920 abvneg 20907 gzrngunitlem 21551 gzrngunit 21552 zringunit 21585 sinhalfpilem 26594 cos2pi 26607 tangtx 26636 coskpi 26654 tanregt0 26670 efif1olem3 26675 root1id 26885 root1cj 26887 isosctrlem2 26950 asin1 27025 efiatan2 27048 bndatandm 27060 atans2 27062 wilthlem1 27198 dchrinv 27391 sum2dchr 27404 lgslem1 27427 lgsne0 27465 lgssq 27467 lgssq2 27468 1lgs 27470 lgs1 27471 lgsdinn0 27475 lgsquad2lem2 27515 lgsquad3 27517 2lgsoddprmlem3a 27540 2sqlem9 27557 2sqlem10 27558 2sqlem11 27559 2sqblem 27561 2sqb 27562 2sq2 27563 addsqn2reu 27571 addsqrexnreu 27572 addsq2nreurex 27574 mulog2sumlem2 27665 pntlemb 27727 axlowdimlem16 29248 ex-pr 30722 normlem1 31403 kbpj 32249 hstnmoc 32516 hstle1 32519 hst1h 32520 hstle 32523 strlem3a 32545 strlem4 32547 strlem5 32548 jplem1 32561 iconstr 34101 cos9thpiminplylem1 34117 cos9thpinconstrlem1 34124 dvasin 38243 dvacos 38244 areacirclem1 38247 areacirc 38252 cntotbnd 38335 3cubeslem1 43307 3cubeslem2 43308 3cubeslem3r 43310 pell1qrge1 43489 pell1qr1 43490 pell1qrgaplem 43492 pell14qrgapw 43495 pellqrex 43498 rmspecnonsq 43526 rmspecfund 43528 rmspecpos 43535 sqrtcval 44259 stoweidlem1 46607 wallispi2lem2 46678 stirlinglem10 46689 sin5tlem2 47500 lighneallem2 48247 onetansqsecsq 50424 cotsqcscsq 50425 |
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