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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 13176 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴↑2) = (𝐴 · 𝐴)) | |
2 | mulcl 10308 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (𝐴 · 𝐴) ∈ ℂ) | |
3 | 2 | anidms 563 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 𝐴) ∈ ℂ) |
4 | 1, 3 | eqeltrd 2878 | 1 ⊢ (𝐴 ∈ ℂ → (𝐴↑2) ∈ ℂ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2157 (class class class)co 6878 ℂcc 10222 · cmul 10229 2c2 11368 ↑cexp 13114 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1891 ax-4 1905 ax-5 2006 ax-6 2072 ax-7 2107 ax-8 2159 ax-9 2166 ax-10 2185 ax-11 2200 ax-12 2213 ax-13 2377 ax-ext 2777 ax-sep 4975 ax-nul 4983 ax-pow 5035 ax-pr 5097 ax-un 7183 ax-cnex 10280 ax-resscn 10281 ax-1cn 10282 ax-icn 10283 ax-addcl 10284 ax-addrcl 10285 ax-mulcl 10286 ax-mulrcl 10287 ax-mulcom 10288 ax-addass 10289 ax-mulass 10290 ax-distr 10291 ax-i2m1 10292 ax-1ne0 10293 ax-1rid 10294 ax-rnegex 10295 ax-rrecex 10296 ax-cnre 10297 ax-pre-lttri 10298 ax-pre-lttrn 10299 ax-pre-ltadd 10300 ax-pre-mulgt0 10301 |
This theorem depends on definitions: df-bi 199 df-an 386 df-or 875 df-3or 1109 df-3an 1110 df-tru 1657 df-ex 1876 df-nf 1880 df-sb 2065 df-mo 2591 df-eu 2609 df-clab 2786 df-cleq 2792 df-clel 2795 df-nfc 2930 df-ne 2972 df-nel 3075 df-ral 3094 df-rex 3095 df-reu 3096 df-rab 3098 df-v 3387 df-sbc 3634 df-csb 3729 df-dif 3772 df-un 3774 df-in 3776 df-ss 3783 df-pss 3785 df-nul 4116 df-if 4278 df-pw 4351 df-sn 4369 df-pr 4371 df-tp 4373 df-op 4375 df-uni 4629 df-iun 4712 df-br 4844 df-opab 4906 df-mpt 4923 df-tr 4946 df-id 5220 df-eprel 5225 df-po 5233 df-so 5234 df-fr 5271 df-we 5273 df-xp 5318 df-rel 5319 df-cnv 5320 df-co 5321 df-dm 5322 df-rn 5323 df-res 5324 df-ima 5325 df-pred 5898 df-ord 5944 df-on 5945 df-lim 5946 df-suc 5947 df-iota 6064 df-fun 6103 df-fn 6104 df-f 6105 df-f1 6106 df-fo 6107 df-f1o 6108 df-fv 6109 df-riota 6839 df-ov 6881 df-oprab 6882 df-mpt2 6883 df-om 7300 df-2nd 7402 df-wrecs 7645 df-recs 7707 df-rdg 7745 df-er 7982 df-en 8196 df-dom 8197 df-sdom 8198 df-pnf 10365 df-mnf 10366 df-xr 10367 df-ltxr 10368 df-le 10369 df-sub 10558 df-neg 10559 df-nn 11313 df-2 11376 df-n0 11581 df-z 11667 df-uz 11931 df-seq 13056 df-exp 13115 |
This theorem is referenced by: sqcli 13198 subsq 13226 binom2sub 13235 binom3 13239 zesq 13241 discr 13255 sqcld 13260 mulsubdivbinom2 13302 muldivbinom2 13303 bpoly2 15124 bpoly3 15125 bpoly4 15126 fsumcube 15127 ef4p 15179 efi4p 15203 pythagtriplem1 15854 iaa 24421 tanarg 24706 asinlem 24947 asinlem2 24948 asinlem3a 24949 asinlem3 24950 asinf 24951 atandm4 24958 asinneg 24965 efiasin 24967 sinasin 24968 asinbnd 24978 cosasin 24983 bndatandm 25008 atans2 25010 logdivsum 25574 log2sumbnd 25585 sinccvglem 32081 dvasin 33984 dvacos 33985 areacirclem1 33988 lhe4.4ex1a 39306 |
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