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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 7376 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11379 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11379 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2797 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 (class class class)co 7368 0cc0 11038 − cmin 11376 -cneg 11377 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-neg 11379 |
| This theorem is referenced by: negeqi 11385 negeqd 11386 neg11 11444 renegcl 11456 negn0 11578 negf1o 11579 negfi 12103 infm3lem 12112 infm3 12113 riotaneg 12133 negiso 12134 infrenegsup 12137 elz 12502 elz2 12518 znegcl 12538 zindd 12605 zriotaneg 12617 ublbneg 12858 eqreznegel 12859 supminf 12860 zsupss 12862 qnegcl 12891 xnegeq 13134 ceilval 13770 expneg 14004 m1expcl2 14020 sqeqor 14151 sqrmo 15186 dvdsnegb 16212 lcmneg 16542 pcexp 16799 pcneg 16814 mulgneg2 19050 negfcncf 24885 xrhmeo 24912 evth2 24927 volsup2 25574 mbfi1fseqlem2 25685 mbfi1fseq 25690 lhop2 25988 lognegb 26567 lgsdir2lem4 27307 rpvmasum2 27491 ex-ceil 30535 elrgspnlem1 33336 hgt749d 34827 itgaddnclem2 37930 ftc1anclem5 37948 areacirc 37964 renegclALT 39339 rexzrexnn0 43161 dvdsrabdioph 43167 monotoddzzfi 43299 monotoddzz 43300 oddcomabszz 43301 infnsuprnmpt 45608 supminfrnmpt 45803 supminfxr 45822 etransclem17 46609 etransclem46 46638 etransclem47 46639 2zrngagrp 48609 digval 48958 |
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