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| Mirrors > Home > MPE Home > Th. List > sqsqrtd | Structured version Visualization version GIF version | ||
| Description: Square root theorem. Theorem I.35 of [Apostol] p. 29. (Contributed by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| abscld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| sqsqrtd | ⊢ (𝜑 → ((√‘𝐴)↑2) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | abscld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | sqrtth 15539 | . 2 ⊢ (𝐴 ∈ ℂ → ((√‘𝐴)↑2) = 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → ((√‘𝐴)↑2) = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 ‘cfv 6541 (class class class)co 7422 ℂcc 11203 2c2 12402 ↑cexp 14209 √csqrt 15407 |
| 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 7753 ax-cnex 11261 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 ax-pre-sup 11283 |
| 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 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 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 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-om 7880 df-2nd 8004 df-frecs 8304 df-wrecs 8335 df-recs 8384 df-rdg 8423 df-er 8722 df-en 8979 df-dom 8980 df-sdom 8981 df-sup 9439 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-div 11979 df-nn 12341 df-2 12410 df-3 12411 df-n0 12612 df-z 12699 df-uz 12971 df-rp 13126 df-seq 14150 df-exp 14210 df-cj 15273 df-re 15274 df-im 15275 df-sqrt 15409 df-abs 15410 |
| This theorem is used by: msqsqrtd 15617 sqr00d 15618 sqrt2irrlem 16423 zsqrtelqelz 16941 nonsq 16942 prmreclem3 17103 nmsq 25522 cphipipcj 25528 ipcau2 25562 tcphcphlem1 25563 tcphcph 25565 minveclem3b 25756 efif1olem3 26879 efif1olem4 26880 cxpsqrt 27038 loglesqrt 27096 quad 27175 cubic 27184 quartlem4 27195 quart 27196 asinlem 27203 asinlem2 27204 efiatan2 27252 cosatan 27256 cosatanne0 27257 atans2 27266 chpub 27554 addsqnreup 27777 chtppilim 27809 rplogsumlem1 27818 dchrisum0flblem1 27842 dchrisum0flblem2 27843 dchrisum0fno1 27845 iconstr 34446 constrresqrtcl 34457 sin2h 38640 cos2h 38641 areacirclem1 38733 areacirclem5 38737 pell1234qrne0 43967 pell1234qrreccl 43968 pell1234qrmulcl 43969 pell14qrgt0 43973 pell14qrdich 43983 pell1qrgaplem 43987 pell14qrgapw 43990 pellqrex 43993 rmxyneg 44034 jm2.22 44109 sqrtcval 44748 et-sqrtnegnre 47990 sqrtnnaa 48020 |
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