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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 15570 | . 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 2147 ‘cfv 6564 ℂcc 11235 √csqrt 15441 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7781 ax-cnex 11293 ax-resscn 11294 ax-1cn 11295 ax-icn 11296 ax-addcl 11297 ax-addrcl 11298 ax-mulcl 11299 ax-mulrcl 11300 ax-mulcom 11301 ax-addass 11302 ax-mulass 11303 ax-distr 11304 ax-i2m1 11305 ax-1ne0 11306 ax-1rid 11307 ax-rnegex 11308 ax-rrecex 11309 ax-cnre 11310 ax-pre-lttri 11311 ax-pre-lttrn 11312 ax-pre-ltadd 11313 ax-pre-mulgt0 11314 ax-pre-sup 11315 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6328 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6518 df-fun 6566 df-fn 6567 df-f 6568 df-f1 6569 df-fo 6570 df-f1o 6571 df-fv 6572 df-riota 7406 df-ov 7452 df-oprab 7453 df-mpo 7454 df-om 7910 df-2nd 8034 df-frecs 8335 df-wrecs 8366 df-recs 8415 df-rdg 8454 df-er 8753 df-en 9010 df-dom 9011 df-sdom 9012 df-sup 9469 df-pnf 11382 df-mnf 11383 df-xr 11384 df-ltxr 11385 df-le 11386 df-sub 11580 df-neg 11581 df-div 12012 df-nn 12374 df-2 12443 df-3 12444 df-n0 12645 df-z 12732 df-uz 13004 df-rp 13159 df-seq 14183 df-exp 14243 df-cj 15307 df-re 15308 df-im 15309 df-sqrt 15443 df-abs 15444 |
| This theorem is used by: msqsqrtd 15651 pythagtriplem12 17045 pythagtriplem14 17047 pythagtriplem16 17049 tcphcphlem1 25600 tcphcph 25602 efif1olem3 26918 efif1olem4 26919 dvcnsqrt 27118 loglesqrt 27135 quad 27214 dcubic 27220 cubic 27223 quartlem2 27232 quartlem3 27233 quartlem4 27234 quart 27235 asinlem 27242 asinlem2 27243 asinlem3a 27244 asinlem3 27245 asinf 27246 asinneg 27260 efiasin 27262 sinasin 27263 asinbnd 27273 cosasin 27278 efiatan2 27291 cosatan 27295 cosatanne0 27296 atans2 27305 addsqnreup 27816 quad3d 33427 constrsqrtcl 34515 sqsscirc1 34644 divsqrtid 35327 logdivsqrle 35383 dvasin 38883 dvacos 38884 areacirclem1 38887 areacirclem4 38890 areacirc 38892 tan3rdpi 43663 pell1234qrne0 44120 pell1234qrreccl 44121 pell1234qrmulcl 44122 pell14qrgt0 44126 pell1234qrdich 44128 pell14qrdich 44136 pell1qr1 44138 rmspecsqrtnq 44173 rmxyneg 44187 rmxyadd 44188 rmxy1 44189 rmxy0 44190 jm2.22 44262 stirlinglem3 47353 stirlinglem4 47354 stirlinglem13 47363 stirlinglem14 47364 stirlinglem15 47365 qndenserrnbllem 47571 sqrtnnaa 48180 sqrtnegnre 48644 quad1 48985 requad01 48986 requad1 48987 requad2 48988 itsclc0yqsol 50201 itscnhlc0xyqsol 50202 itschlc0xyqsol1 50203 itschlc0xyqsol 50204 itsclc0xyqsolr 50206 inlinecirc02plem 50223 |
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