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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 15307 | . 2 ⊢ (𝐴 ∈ ℂ → ((√‘𝐴)↑2) = 𝐴) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → ((√‘𝐴)↑2) = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 ‘cfv 6499 (class class class)co 7369 ℂcc 11042 2c2 12217 ↑cexp 14002 √csqrt 15175 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 ax-pre-sup 11122 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-sup 9369 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-div 11812 df-nn 12163 df-2 12225 df-3 12226 df-n0 12419 df-z 12506 df-uz 12770 df-rp 12928 df-seq 13943 df-exp 14003 df-cj 15041 df-re 15042 df-im 15043 df-sqrt 15177 df-abs 15178 |
| This theorem is referenced by: msqsqrtd 15385 sqr00d 15386 sqrt2irrlem 16192 zsqrtelqelz 16704 nonsq 16705 prmreclem3 16865 nmsq 25070 cphipipcj 25076 ipcau2 25110 tcphcphlem1 25111 tcphcph 25113 minveclem3b 25304 efif1olem3 26429 efif1olem4 26430 cxpsqrt 26588 loglesqrt 26647 quad 26726 cubic 26735 quartlem4 26746 quart 26747 asinlem 26754 asinlem2 26755 efiatan2 26803 cosatan 26807 cosatanne0 26808 atans2 26817 chpub 27107 addsqnreup 27330 chtppilim 27362 rplogsumlem1 27371 dchrisum0flblem1 27395 dchrisum0flblem2 27396 dchrisum0fno1 27398 iconstr 33729 constrresqrtcl 33740 sin2h 37577 cos2h 37578 areacirclem1 37675 areacirclem5 37679 pell1234qrne0 42814 pell1234qrreccl 42815 pell1234qrmulcl 42816 pell14qrgt0 42820 pell14qrdich 42830 pell1qrgaplem 42834 pell14qrgapw 42837 pellqrex 42840 rmxyneg 42882 jm2.22 42957 sqrtcval 43603 et-sqrtnegnre 46844 |
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