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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 7366 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11367 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11367 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2796 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 (class class class)co 7358 0cc0 11026 − cmin 11364 -cneg 11365 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-neg 11367 |
| This theorem is referenced by: negeqi 11373 negeqd 11374 neg11 11432 renegcl 11444 negn0 11566 negf1o 11567 negfi 12091 infm3lem 12100 infm3 12101 riotaneg 12121 negiso 12122 infrenegsup 12125 elz 12490 elz2 12506 znegcl 12526 zindd 12593 zriotaneg 12605 ublbneg 12846 eqreznegel 12847 supminf 12848 zsupss 12850 qnegcl 12879 xnegeq 13122 ceilval 13758 expneg 13992 m1expcl2 14008 sqeqor 14139 sqrmo 15174 dvdsnegb 16200 lcmneg 16530 pcexp 16787 pcneg 16802 mulgneg2 19038 negfcncf 24873 xrhmeo 24900 evth2 24915 volsup2 25562 mbfi1fseqlem2 25673 mbfi1fseq 25678 lhop2 25976 lognegb 26555 lgsdir2lem4 27295 rpvmasum2 27479 ex-ceil 30523 elrgspnlem1 33324 hgt749d 34806 itgaddnclem2 37880 ftc1anclem5 37898 areacirc 37914 renegclALT 39223 rexzrexnn0 43046 dvdsrabdioph 43052 monotoddzzfi 43184 monotoddzz 43185 oddcomabszz 43186 infnsuprnmpt 45494 supminfrnmpt 45689 supminfxr 45708 etransclem17 46495 etransclem46 46524 etransclem47 46525 2zrngagrp 48495 digval 48844 |
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