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| Mirrors > Home > MPE Home > Th. List > ex-sqrt | Structured version Visualization version GIF version | ||
| Description: Example for df-sqrt 15188. (Contributed by AV, 4-Sep-2021.) |
| Ref | Expression |
|---|---|
| ex-sqrt | ⊢ (√‘;25) = 5 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ex-exp 30535 | . . . 4 ⊢ ((5↑2) = ;25 ∧ (-3↑-2) = (1 / 9)) | |
| 2 | 1 | simpli 483 | . . 3 ⊢ (5↑2) = ;25 |
| 3 | 2 | fveq2i 6837 | . 2 ⊢ (√‘(5↑2)) = (√‘;25) |
| 4 | 5re 12259 | . . 3 ⊢ 5 ∈ ℝ | |
| 5 | 0re 11137 | . . . 4 ⊢ 0 ∈ ℝ | |
| 6 | 5pos 12281 | . . . 4 ⊢ 0 < 5 | |
| 7 | 5, 4, 6 | ltleii 11260 | . . 3 ⊢ 0 ≤ 5 |
| 8 | sqrtsq 15222 | . . 3 ⊢ ((5 ∈ ℝ ∧ 0 ≤ 5) → (√‘(5↑2)) = 5) | |
| 9 | 4, 7, 8 | mp2an 693 | . 2 ⊢ (√‘(5↑2)) = 5 |
| 10 | 3, 9 | eqtr3i 2762 | 1 ⊢ (√‘;25) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 class class class wbr 5086 ‘cfv 6492 (class class class)co 7360 ℝcr 11028 0cc0 11029 1c1 11030 ≤ cle 11171 -cneg 11369 / cdiv 11798 2c2 12227 3c3 12228 5c5 12230 9c9 12234 ;cdc 12635 ↑cexp 14014 √csqrt 15186 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-sup 9348 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-dec 12636 df-uz 12780 df-rp 12934 df-seq 13955 df-exp 14015 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 |
| This theorem is referenced by: (None) |
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