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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 12535 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14026 | . 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 1542 ∈ wcel 2114 (class class class)co 7368 1c1 11039 2c2 12212 ℤcz 12500 ↑cexp 13996 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-n0 12414 df-z 12501 df-uz 12764 df-seq 13937 df-exp 13997 |
| This theorem is referenced by: neg1sqe1 14131 binom21 14154 binom2sub1 14156 sq01 14160 01sqrexlem1 15177 sqrt1 15206 sinbnd 16117 cosbnd 16118 cos1bnd 16124 cos2bnd 16125 cos01gt0 16128 sqnprm 16641 numdensq 16693 zsqrtelqelz 16697 prmreclem1 16856 prmreclem2 16857 4sqlem13 16897 4sqlem19 16903 odadd 19791 abvneg 20771 gzrngunitlem 21399 gzrngunit 21400 zringunit 21433 sinhalfpilem 26440 cos2pi 26453 tangtx 26482 coskpi 26500 tanregt0 26516 efif1olem3 26521 root1id 26732 root1cj 26734 isosctrlem2 26797 asin1 26872 efiatan2 26895 bndatandm 26907 atans2 26909 wilthlem1 27046 dchrinv 27240 sum2dchr 27253 lgslem1 27276 lgsne0 27314 lgssq 27316 lgssq2 27317 1lgs 27319 lgs1 27320 lgsdinn0 27324 lgsquad2lem2 27364 lgsquad3 27366 2lgsoddprmlem3a 27389 2sqlem9 27406 2sqlem10 27407 2sqlem11 27408 2sqblem 27410 2sqb 27411 2sq2 27412 addsqn2reu 27420 addsqrexnreu 27421 addsq2nreurex 27423 mulog2sumlem2 27514 pntlemb 27576 axlowdimlem16 29042 ex-pr 30517 normlem1 31198 kbpj 32044 hstnmoc 32311 hstle1 32314 hst1h 32315 hstle 32318 strlem3a 32340 strlem4 32342 strlem5 32343 jplem1 32356 iconstr 33944 cos9thpiminplylem1 33960 cos9thpinconstrlem1 33967 dvasin 37955 dvacos 37956 areacirclem1 37959 areacirc 37964 cntotbnd 38047 3cubeslem1 43041 3cubeslem2 43042 3cubeslem3r 43044 pell1qrge1 43227 pell1qr1 43228 pell1qrgaplem 43230 pell14qrgapw 43233 pellqrex 43236 rmspecnonsq 43264 rmspecfund 43266 rmspecpos 43273 sqrtcval 43997 stoweidlem1 46359 wallispi2lem2 46430 stirlinglem10 46441 lighneallem2 47966 onetansqsecsq 50120 cotsqcscsq 50121 |
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