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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 15449 | . 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 2145 ‘cfv 6533 ℂcc 11122 √csqrt 15320 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-sup 9412 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-div 11896 df-nn 12258 df-2 12327 df-3 12328 df-n0 12529 df-z 12616 df-uz 12888 df-rp 13043 df-seq 14066 df-exp 14126 df-cj 15186 df-re 15187 df-im 15188 df-sqrt 15322 df-abs 15323 |
| This theorem is used by: msqsqrtd 15530 pythagtriplem12 16918 pythagtriplem14 16920 pythagtriplem16 16922 tcphcphlem1 25463 tcphcph 25465 efif1olem3 26781 efif1olem4 26782 dvcnsqrt 26981 loglesqrt 26998 quad 27077 dcubic 27083 cubic 27086 quartlem2 27095 quartlem3 27096 quartlem4 27097 quart 27098 asinlem 27105 asinlem2 27106 asinlem3a 27107 asinlem3 27108 asinf 27109 asinneg 27123 efiasin 27125 sinasin 27126 asinbnd 27136 cosasin 27141 efiatan2 27154 cosatan 27158 cosatanne0 27159 atans2 27168 addsqnreup 27679 quad3d 33220 constrsqrtcl 34289 sqsscirc1 34418 divsqrtid 35102 logdivsqrle 35158 dvasin 38453 dvacos 38454 areacirclem1 38457 areacirclem4 38460 areacirc 38462 tan3rdpi 43227 pell1234qrne0 43694 pell1234qrreccl 43695 pell1234qrmulcl 43696 pell14qrgt0 43700 pell1234qrdich 43702 pell14qrdich 43710 pell1qr1 43712 rmspecsqrtnq 43747 rmxyneg 43761 rmxyadd 43762 rmxy1 43763 rmxy0 43764 jm2.22 43836 stirlinglem3 46904 stirlinglem4 46905 stirlinglem13 46914 stirlinglem14 46915 stirlinglem15 46916 qndenserrnbllem 47122 sqrtnnaa 47731 sqrtnegnre 48195 quad1 48536 requad01 48537 requad1 48538 requad2 48539 itsclc0yqsol 49694 itscnhlc0xyqsol 49695 itschlc0xyqsol1 49696 itschlc0xyqsol 49697 itsclc0xyqsolr 49699 inlinecirc02plem 49716 |
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