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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 12017 | . 2 ⊢ 2 ∈ ℤ | |
2 | 1exp 13461 | . 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 1537 ∈ wcel 2114 (class class class)co 7158 1c1 10540 2c2 11695 ℤcz 11984 ↑cexp 13432 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rmo 3148 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-div 11300 df-nn 11641 df-2 11703 df-n0 11901 df-z 11985 df-uz 12247 df-seq 13373 df-exp 13433 |
This theorem is referenced by: neg1sqe1 13562 binom21 13583 binom2sub1 13585 sq01 13589 sqrlem1 14604 sqrt1 14633 sinbnd 15535 cosbnd 15536 cos1bnd 15542 cos2bnd 15543 cos01gt0 15546 sqnprm 16048 numdensq 16096 zsqrtelqelz 16100 prmreclem1 16254 prmreclem2 16255 4sqlem13 16295 4sqlem19 16301 odadd 18972 abvneg 19607 gzrngunitlem 20612 gzrngunit 20613 zringunit 20637 sinhalfpilem 25051 cos2pi 25064 tangtx 25093 coskpi 25110 tanregt0 25125 efif1olem3 25130 root1id 25337 root1cj 25339 isosctrlem2 25399 asin1 25474 efiatan2 25497 bndatandm 25509 atans2 25511 wilthlem1 25647 dchrinv 25839 sum2dchr 25852 lgslem1 25875 lgsne0 25913 lgssq 25915 lgssq2 25916 1lgs 25918 lgs1 25919 lgsdinn0 25923 lgsquad2lem2 25963 lgsquad3 25965 2lgsoddprmlem3a 25988 2sqlem9 26005 2sqlem10 26006 2sqlem11 26007 2sqblem 26009 2sqb 26010 2sq2 26011 addsqn2reu 26019 addsqrexnreu 26020 addsq2nreurex 26022 mulog2sumlem2 26113 pntlemb 26175 axlowdimlem16 26745 ex-pr 28211 normlem1 28889 kbpj 29735 hstnmoc 30002 hstle1 30005 hst1h 30006 hstle 30009 strlem3a 30031 strlem4 30033 strlem5 30034 jplem1 30047 dvasin 34980 dvacos 34981 areacirclem1 34984 areacirc 34989 cntotbnd 35076 3cubeslem1 39288 3cubeslem2 39289 3cubeslem3r 39291 pell1qrge1 39474 pell1qr1 39475 pell1qrgaplem 39477 pell14qrgapw 39480 pellqrex 39483 rmspecnonsq 39511 rmspecfund 39513 rmspecpos 39520 stoweidlem1 42293 wallispi2lem2 42364 stirlinglem10 42375 lighneallem2 43778 onetansqsecsq 44867 cotsqcscsq 44868 |
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