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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 15073 | . 2 ⊢ (𝐴 ∈ ℂ → (√‘𝐴) ∈ ℂ) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (√‘𝐴) ∈ ℂ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 ‘cfv 6433 ℂcc 10869 √csqrt 14944 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-sup 9201 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-seq 13722 df-exp 13783 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 |
This theorem is referenced by: msqsqrtd 15152 pythagtriplem12 16527 pythagtriplem14 16529 pythagtriplem16 16531 tcphcphlem1 24399 tcphcph 24401 efif1olem3 25700 efif1olem4 25701 dvcnsqrt 25897 loglesqrt 25911 quad 25990 dcubic 25996 cubic 25999 quartlem2 26008 quartlem3 26009 quartlem4 26010 quart 26011 asinlem 26018 asinlem2 26019 asinlem3a 26020 asinlem3 26021 asinf 26022 asinneg 26036 efiasin 26038 sinasin 26039 asinbnd 26049 cosasin 26054 efiatan2 26067 cosatan 26071 cosatanne0 26072 atans2 26081 addsqnreup 26591 sqsscirc1 31858 divsqrtid 32574 logdivsqrle 32630 dvasin 35861 dvacos 35862 areacirclem1 35865 areacirclem4 35868 areacirc 35870 pell1234qrne0 40675 pell1234qrreccl 40676 pell1234qrmulcl 40677 pell14qrgt0 40681 pell1234qrdich 40683 pell14qrdich 40691 pell1qr1 40693 rmspecsqrtnq 40728 rmxyneg 40742 rmxyadd 40743 rmxy1 40744 rmxy0 40745 jm2.22 40817 stirlinglem3 43617 stirlinglem4 43618 stirlinglem13 43627 stirlinglem14 43628 stirlinglem15 43629 qndenserrnbllem 43835 sqrtnegnre 44799 quad1 45072 requad01 45073 requad1 45074 requad2 45075 itsclc0yqsol 46110 itscnhlc0xyqsol 46111 itschlc0xyqsol1 46112 itschlc0xyqsol 46113 itsclc0xyqsolr 46115 inlinecirc02plem 46132 |
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