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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 7419 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11444 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11444 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2829 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 (class class class)co 7411 0cc0 11100 − cmin 11441 -cneg 11442 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 df-neg 11444 |
| This theorem is referenced by: negeqi 11450 negeqd 11451 neg11 11509 renegcl 11521 negn0 11643 negf1o 11644 negfi 12164 infm3lem 12173 infm3 12174 riotaneg 12194 negiso 12195 infrenegsup 12198 elz 12593 elz2 12609 znegcl 12629 zindd 12697 zriotaneg 12709 ublbneg 12957 eqreznegel 12958 supminf 12959 zsupss 12961 qnegcl 12990 xnegeq 13233 ceilval 13871 expneg 14105 m1expcl2 14121 sqeqor 14252 sqrmo 15302 dvdsnegb 16331 lcmneg 16661 pcexp 16919 pcneg 16934 mulgneg2 19174 negfcncf 25051 xrhmeo 25074 evth2 25088 volsup2 25733 mbfi1fseqlem2 25844 mbfi1fseq 25849 lhop2 26143 lognegb 26721 lgsdir2lem4 27458 rpvmasum2 27642 ex-ceil 30740 elrgspnlem1 33503 hgt749d 34981 itgaddnclem2 38218 ftc1anclem5 38236 areacirc 38252 renegclALT 39627 rexzrexnn0 43423 dvdsrabdioph 43429 monotoddzzfi 43561 monotoddzz 43562 oddcomabszz 43563 infnsuprnmpt 45857 supminfrnmpt 46051 supminfxr 46070 etransclem17 46857 etransclem46 46886 etransclem47 46887 2zrngagrp 48903 digval 49263 |
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