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| Mirrors > Home > MPE Home > Th. List > sqrtcld | Structured version Visualization version GIF version | ||
| Description: Closure of the square root function over the complex numbers. (Contributed by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| abscld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| sqrtcld | ⊢ (𝜑 → (√‘𝐴) ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | abscld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | sqrtcl 15535 | . 2 ⊢ (𝐴 ∈ ℂ → (√‘𝐴) ∈ ℂ) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (√‘𝐴) ∈ ℂ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ‘cfv 6539 ℂcc 11202 √csqrt 15406 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-sup 9438 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-n0 12611 df-z 12698 df-uz 12970 df-rp 13125 df-seq 14149 df-exp 14209 df-cj 15272 df-re 15273 df-im 15274 df-sqrt 15408 df-abs 15409 |
| This theorem is used by: msqsqrtd 15616 pythagtriplem12 17010 pythagtriplem14 17012 pythagtriplem16 17014 tcphcphlem1 25562 tcphcph 25564 efif1olem3 26878 efif1olem4 26879 dvcnsqrt 27078 loglesqrt 27095 quad 27174 dcubic 27180 cubic 27183 quartlem2 27192 quartlem3 27193 quartlem4 27194 quart 27195 asinlem 27202 asinlem2 27203 asinlem3a 27204 asinlem3 27205 asinf 27206 asinneg 27220 efiasin 27222 sinasin 27223 asinbnd 27233 cosasin 27238 efiatan2 27251 cosatan 27255 cosatanne0 27256 atans2 27265 addsqnreup 27776 quad3d 33388 constrsqrtcl 34458 sqsscirc1 34587 divsqrtid 35270 logdivsqrle 35326 dvasin 38716 dvacos 38717 areacirclem1 38720 areacirclem4 38723 areacirc 38725 tan3rdpi 43497 pell1234qrne0 43954 pell1234qrreccl 43955 pell1234qrmulcl 43956 pell14qrgt0 43960 pell1234qrdich 43962 pell14qrdich 43970 pell1qr1 43972 rmspecsqrtnq 44007 rmxyneg 44021 rmxyadd 44022 rmxy1 44023 rmxy0 44024 jm2.22 44096 stirlinglem3 47180 stirlinglem4 47181 stirlinglem13 47190 stirlinglem14 47191 stirlinglem15 47192 qndenserrnbllem 47398 sqrtnnaa 48007 sqrtnegnre 48471 quad1 48812 requad01 48813 requad1 48814 requad2 48815 itsclc0yqsol 49970 itscnhlc0xyqsol 49971 itschlc0xyqsol1 49972 itschlc0xyqsol 49973 itsclc0xyqsolr 49975 inlinecirc02plem 49992 |
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