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| Mirrors > Home > MPE Home > Th. List > sqcl | Structured version Visualization version GIF version | ||
| Description: Closure of square. (Contributed by NM, 10-Aug-1999.) |
| Ref | Expression |
|---|---|
| sqcl | ⊢ (𝐴 ∈ ℂ → (𝐴↑2) ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sqval 14039 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴↑2) = (𝐴 · 𝐴)) | |
| 2 | mulcl 11112 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (𝐴 · 𝐴) ∈ ℂ) | |
| 3 | 2 | anidms 566 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 𝐴) ∈ ℂ) |
| 4 | 1, 3 | eqeltrd 2828 | 1 ⊢ (𝐴 ∈ ℂ → (𝐴↑2) ∈ ℂ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 (class class class)co 7353 ℂcc 11026 · cmul 11033 2c2 12201 ↑cexp 13986 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7675 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3346 df-rab 3397 df-v 3440 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-iun 4946 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7310 df-ov 7356 df-oprab 7357 df-mpo 7358 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8632 df-en 8880 df-dom 8881 df-sdom 8882 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11367 df-neg 11368 df-nn 12147 df-2 12209 df-n0 12403 df-z 12490 df-uz 12754 df-seq 13927 df-exp 13987 |
| This theorem is referenced by: sqcld 14069 sqcli 14106 subsq 14135 binom2sub 14145 binom3 14149 zesq 14151 discr 14165 mulsubdivbinom2 14187 muldivbinom2 14188 bpoly2 15982 bpoly3 15983 bpoly4 15984 fsumcube 15985 ef4p 16040 efi4p 16064 pythagtriplem1 16746 iaa 26249 tanarg 26544 asinlem 26794 asinlem2 26795 asinlem3a 26796 asinlem3 26797 asinf 26798 atandm4 26805 asinneg 26812 efiasin 26814 sinasin 26815 asinbnd 26825 cosasin 26830 bndatandm 26855 atans2 26857 addsq2reu 27367 addsqrexnreu 27369 logdivsum 27460 log2sumbnd 27471 sinccvglem 35647 dvasin 37686 dvacos 37687 areacirclem1 37690 readvrec2 42337 lhe4.4ex1a 44305 ichexmpl2 47458 |
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