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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 12559 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14053 | . 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 7367 1c1 11039 2c2 12236 ℤcz 12524 ↑cexp 14023 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-n0 12438 df-z 12525 df-uz 12789 df-seq 13964 df-exp 14024 |
| This theorem is referenced by: neg1sqe1 14158 binom21 14181 binom2sub1 14183 sq01 14187 01sqrexlem1 15204 sqrt1 15233 sinbnd 16147 cosbnd 16148 cos1bnd 16154 cos2bnd 16155 cos01gt0 16158 sqnprm 16672 numdensq 16724 zsqrtelqelz 16728 prmreclem1 16887 prmreclem2 16888 4sqlem13 16928 4sqlem19 16934 odadd 19825 abvneg 20803 gzrngunitlem 21412 gzrngunit 21413 zringunit 21446 sinhalfpilem 26427 cos2pi 26440 tangtx 26469 coskpi 26487 tanregt0 26503 efif1olem3 26508 root1id 26718 root1cj 26720 isosctrlem2 26783 asin1 26858 efiatan2 26881 bndatandm 26893 atans2 26895 wilthlem1 27031 dchrinv 27224 sum2dchr 27237 lgslem1 27260 lgsne0 27298 lgssq 27300 lgssq2 27301 1lgs 27303 lgs1 27304 lgsdinn0 27308 lgsquad2lem2 27348 lgsquad3 27350 2lgsoddprmlem3a 27373 2sqlem9 27390 2sqlem10 27391 2sqlem11 27392 2sqblem 27394 2sqb 27395 2sq2 27396 addsqn2reu 27404 addsqrexnreu 27405 addsq2nreurex 27407 mulog2sumlem2 27498 pntlemb 27560 axlowdimlem16 29026 ex-pr 30500 normlem1 31181 kbpj 32027 hstnmoc 32294 hstle1 32297 hst1h 32298 hstle 32301 strlem3a 32323 strlem4 32325 strlem5 32326 jplem1 32339 iconstr 33910 cos9thpiminplylem1 33926 cos9thpinconstrlem1 33933 dvasin 38025 dvacos 38026 areacirclem1 38029 areacirc 38034 cntotbnd 38117 3cubeslem1 43116 3cubeslem2 43117 3cubeslem3r 43119 pell1qrge1 43298 pell1qr1 43299 pell1qrgaplem 43301 pell14qrgapw 43304 pellqrex 43307 rmspecnonsq 43335 rmspecfund 43337 rmspecpos 43344 sqrtcval 44068 stoweidlem1 46429 wallispi2lem2 46500 stirlinglem10 46511 sin5tlem2 47322 lighneallem2 48069 onetansqsecsq 50236 cotsqcscsq 50237 |
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