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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 12603 | . 2 ⊢ 2 ∈ ℤ | |
| 2 | 1exp 14104 | . 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 1560 ∈ wcel 2142 (class class class)co 7396 1c1 11074 2c2 12272 ℤcz 12568 ↑cexp 14074 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 ax-pre-mulgt0 11150 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11218 df-mnf 11219 df-xr 11220 df-ltxr 11221 df-le 11222 df-sub 11416 df-neg 11417 df-div 11845 df-nn 12211 df-2 12280 df-n0 12482 df-z 12569 df-uz 12840 df-seq 14015 df-exp 14075 |
| This theorem is referenced by: neg1sqe1 14209 binom21 14232 binom2sub1 14234 sq01 14238 01sqrexlem1 15269 sqrt1 15298 sinbnd 16212 cosbnd 16213 cos1bnd 16219 cos2bnd 16220 cos01gt0 16223 sqnprm 16737 numdensq 16789 zsqrtelqelz 16793 prmreclem1 16952 prmreclem2 16953 4sqlem13 16993 4sqlem19 16999 odadd 19890 abvneg 20872 gzrngunitlem 21481 gzrngunit 21482 zringunit 21515 sinhalfpilem 26525 cos2pi 26538 tangtx 26567 coskpi 26585 tanregt0 26601 efif1olem3 26606 root1id 26816 root1cj 26818 isosctrlem2 26881 asin1 26956 efiatan2 26979 bndatandm 26991 atans2 26993 wilthlem1 27129 dchrinv 27322 sum2dchr 27335 lgslem1 27358 lgsne0 27396 lgssq 27398 lgssq2 27399 1lgs 27401 lgs1 27402 lgsdinn0 27406 lgsquad2lem2 27446 lgsquad3 27448 2lgsoddprmlem3a 27471 2sqlem9 27488 2sqlem10 27489 2sqlem11 27490 2sqblem 27492 2sqb 27493 2sq2 27494 addsqn2reu 27502 addsqrexnreu 27503 addsq2nreurex 27505 mulog2sumlem2 27596 pntlemb 27658 axlowdimlem16 29155 ex-pr 30629 normlem1 31310 kbpj 32156 hstnmoc 32423 hstle1 32426 hst1h 32427 hstle 32430 strlem3a 32452 strlem4 32454 strlem5 32455 jplem1 32468 iconstr 34060 cos9thpiminplylem1 34076 cos9thpinconstrlem1 34083 dvasin 38200 dvacos 38201 areacirclem1 38204 areacirc 38209 cntotbnd 38292 3cubeslem1 43262 3cubeslem2 43263 3cubeslem3r 43265 pell1qrge1 43444 pell1qr1 43445 pell1qrgaplem 43447 pell14qrgapw 43450 pellqrex 43453 rmspecnonsq 43481 rmspecfund 43483 rmspecpos 43490 sqrtcval 44214 stoweidlem1 46572 wallispi2lem2 46643 stirlinglem10 46654 sin5tlem2 47465 lighneallem2 48212 onetansqsecsq 50379 cotsqcscsq 50380 |
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