![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > sqneg | Structured version Visualization version GIF version |
Description: The square of the negative of a number. (Contributed by NM, 15-Jan-2006.) |
Ref | Expression |
---|---|
sqneg | โข (๐ด โ โ โ (-๐ดโ2) = (๐ดโ2)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mul2neg 11683 | . . 3 โข ((๐ด โ โ โง ๐ด โ โ) โ (-๐ด ยท -๐ด) = (๐ด ยท ๐ด)) | |
2 | 1 | anidms 566 | . 2 โข (๐ด โ โ โ (-๐ด ยท -๐ด) = (๐ด ยท ๐ด)) |
3 | negcl 11490 | . . 3 โข (๐ด โ โ โ -๐ด โ โ) | |
4 | sqval 14111 | . . 3 โข (-๐ด โ โ โ (-๐ดโ2) = (-๐ด ยท -๐ด)) | |
5 | 3, 4 | syl 17 | . 2 โข (๐ด โ โ โ (-๐ดโ2) = (-๐ด ยท -๐ด)) |
6 | sqval 14111 | . 2 โข (๐ด โ โ โ (๐ดโ2) = (๐ด ยท ๐ด)) | |
7 | 2, 5, 6 | 3eqtr4d 2778 | 1 โข (๐ด โ โ โ (-๐ดโ2) = (๐ดโ2)) |
Colors of variables: wff setvar class |
Syntax hints: โ wi 4 = wceq 1534 โ wcel 2099 (class class class)co 7420 โcc 11136 ยท cmul 11143 -cneg 11475 2c2 12297 โcexp 14058 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7871 df-2nd 7994 df-frecs 8286 df-wrecs 8317 df-recs 8391 df-rdg 8430 df-er 8724 df-en 8964 df-dom 8965 df-sdom 8966 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-n0 12503 df-z 12589 df-uz 12853 df-seq 13999 df-exp 14059 |
This theorem is referenced by: sqsubswap 14113 neg1sqe1 14191 binom2sub 14214 discr 14234 reusq0 15441 oexpneg 16321 cos2pi 26410 root1id 26688 dcubic1lem 26774 dcubic 26777 mcubic 26778 dquart 26784 asinlem 26799 asinlem2 26800 sinasin 26820 cosasin 26835 atandmneg 26837 cosatan 26852 atantayl2 26869 2sqlem4 27353 2sqnn0 27370 axlowdimlem16 28767 ex-exp 30259 ipidsq 30519 sqnegd 42101 pell1234qrreccl 42274 pell1234qrdich 42281 pell14qrdich 42289 oexpnegALTV 47017 oexpnegnz 47018 itsclc0yqsollem1 47835 itscnhlinecirc02plem1 47855 |
Copyright terms: Public domain | W3C validator |