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| Mirrors > Home > ILE Home > Th. List > sqrtmul | Unicode version | ||
| Description: Square root distributes over multiplication. (Contributed by NM, 30-Jul-1999.) (Revised by Mario Carneiro, 29-May-2016.) |
| Ref | Expression |
|---|---|
| sqrtmul |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpll 527 |
. . . 4
| |
| 2 | simprl 531 |
. . . 4
| |
| 3 | 1, 2 | remulcld 8321 |
. . 3
|
| 4 | mulge0 8912 |
. . 3
| |
| 5 | resqrtcl 11744 |
. . 3
| |
| 6 | 3, 4, 5 | syl2anc 411 |
. 2
|
| 7 | resqrtcl 11744 |
. . . 4
| |
| 8 | 7 | adantr 276 |
. . 3
|
| 9 | resqrtcl 11744 |
. . . 4
| |
| 10 | 9 | adantl 277 |
. . 3
|
| 11 | 8, 10 | remulcld 8321 |
. 2
|
| 12 | sqrtge0 11748 |
. . 3
| |
| 13 | 3, 4, 12 | syl2anc 411 |
. 2
|
| 14 | sqrtge0 11748 |
. . . 4
| |
| 15 | 14 | adantr 276 |
. . 3
|
| 16 | sqrtge0 11748 |
. . . 4
| |
| 17 | 16 | adantl 277 |
. . 3
|
| 18 | 8, 10, 15, 17 | mulge0d 8914 |
. 2
|
| 19 | resqrtth 11746 |
. . . 4
| |
| 20 | resqrtth 11746 |
. . . 4
| |
| 21 | 19, 20 | oveqan12d 6078 |
. . 3
|
| 22 | 8 | recnd 8319 |
. . . 4
|
| 23 | 10 | recnd 8319 |
. . . 4
|
| 24 | 22, 23 | sqmuld 11076 |
. . 3
|
| 25 | resqrtth 11746 |
. . . 4
| |
| 26 | 3, 4, 25 | syl2anc 411 |
. . 3
|
| 27 | 21, 24, 26 | 3eqtr4rd 2278 |
. 2
|
| 28 | 6, 11, 13, 18, 27 | sq11d 11097 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4231 ax-sep 4234 ax-nul 4242 ax-pow 4293 ax-pr 4328 ax-un 4560 ax-setind 4665 ax-iinf 4716 ax-cnex 8235 ax-resscn 8236 ax-1cn 8237 ax-1re 8238 ax-icn 8239 ax-addcl 8240 ax-addrcl 8241 ax-mulcl 8242 ax-mulrcl 8243 ax-addcom 8244 ax-mulcom 8245 ax-addass 8246 ax-mulass 8247 ax-distr 8248 ax-i2m1 8249 ax-0lt1 8250 ax-1rid 8251 ax-0id 8252 ax-rnegex 8253 ax-precex 8254 ax-cnre 8255 ax-pre-ltirr 8256 ax-pre-ltwlin 8257 ax-pre-lttrn 8258 ax-pre-apti 8259 ax-pre-ltadd 8260 ax-pre-mulgt0 8261 ax-pre-mulext 8262 ax-arch 8263 ax-caucvg 8264 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3626 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-int 3956 df-iun 3999 df-br 4116 df-opab 4178 df-mpt 4179 df-tr 4215 df-id 4420 df-po 4423 df-iso 4424 df-iord 4493 df-on 4495 df-ilim 4496 df-suc 4498 df-iom 4719 df-xp 4761 df-rel 4762 df-cnv 4763 df-co 4764 df-dm 4765 df-rn 4766 df-res 4767 df-ima 4768 df-iota 5318 df-fun 5360 df-fn 5361 df-f 5362 df-f1 5363 df-fo 5364 df-f1o 5365 df-fv 5366 df-riota 6012 df-ov 6062 df-oprab 6063 df-mpo 6064 df-1st 6348 df-2nd 6349 df-recs 6550 df-frec 6636 df-pnf 8327 df-mnf 8328 df-xr 8329 df-ltxr 8330 df-le 8331 df-sub 8464 df-neg 8465 df-reap 8868 df-ap 8875 df-div 8968 df-inn 9259 df-2 9317 df-3 9318 df-4 9319 df-n0 9518 df-z 9599 df-uz 9876 df-rp 10009 df-seqfrec 10838 df-exp 10929 df-rsqrt 11713 |
| This theorem is referenced by: sqrtdiv 11757 absmul 11784 sqrtmuli 11848 sqrtmuld 11884 |
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