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| Mirrors > Home > MPE Home > Th. List > negeq | Structured version Visualization version GIF version | ||
| Description: Equality theorem for negatives. (Contributed by NM, 10-Feb-1995.) |
| Ref | Expression |
|---|---|
| negeq | ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 7418 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11439 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11439 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2823 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 (class class class)co 7410 0cc0 11095 − cmin 11436 -cneg 11437 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-neg 11439 |
| This theorem is referenced by: negeqi 11445 negeqd 11446 neg11 11504 renegcl 11516 negn0 11638 negf1o 11639 negfi 12159 infm3lem 12168 infm3 12169 riotaneg 12189 negiso 12190 infrenegsup 12193 elz 12588 elz2 12604 znegcl 12624 zindd 12692 zriotaneg 12704 ublbneg 12952 eqreznegel 12953 supminf 12954 zsupss 12956 qnegcl 12985 xnegeq 13228 ceilval 13867 expneg 14101 m1expcl2 14117 sqeqor 14248 sqrmo 15298 dvdsnegb 16326 lcmneg 16656 pcexp 16914 pcneg 16929 mulgneg2 19169 negfcncf 25082 xrhmeo 25105 evth2 25119 volsup2 25764 mbfi1fseqlem2 25875 mbfi1fseq 25880 lhop2 26174 lognegb 26755 lgsdir2lem4 27492 rpvmasum2 27676 ex-ceil 30799 elrgspnlem1 33562 hgt749d 35036 itgaddnclem2 38350 ftc1anclem5 38368 areacirc 38384 renegclALT 39757 rexzrexnn0 43551 dvdsrabdioph 43557 monotoddzzfi 43689 monotoddzz 43690 oddcomabszz 43691 infnsuprnmpt 45985 supminfrnmpt 46179 supminfxr 46198 etransclem17 46985 etransclem46 47014 etransclem47 47015 2zrngagrp 49034 digval 49398 |
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