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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 7369 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11374 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11374 | . 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 7361 0cc0 11032 − cmin 11371 -cneg 11372 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6449 df-fv 6501 df-ov 7364 df-neg 11374 |
| This theorem is referenced by: negeqi 11380 negeqd 11381 neg11 11439 renegcl 11451 negn0 11573 negf1o 11574 negfi 12099 infm3lem 12108 infm3 12109 riotaneg 12129 negiso 12130 infrenegsup 12133 elz 12520 elz2 12536 znegcl 12556 zindd 12624 zriotaneg 12636 ublbneg 12877 eqreznegel 12878 supminf 12879 zsupss 12881 qnegcl 12910 xnegeq 13153 ceilval 13791 expneg 14025 m1expcl2 14041 sqeqor 14172 sqrmo 15207 dvdsnegb 16236 lcmneg 16566 pcexp 16824 pcneg 16839 mulgneg2 19078 negfcncf 24903 xrhmeo 24926 evth2 24940 volsup2 25585 mbfi1fseqlem2 25696 mbfi1fseq 25701 lhop2 25995 lognegb 26570 lgsdir2lem4 27308 rpvmasum2 27492 ex-ceil 30536 elrgspnlem1 33321 hgt749d 34812 itgaddnclem2 38017 ftc1anclem5 38035 areacirc 38051 renegclALT 39426 rexzrexnn0 43253 dvdsrabdioph 43259 monotoddzzfi 43391 monotoddzz 43392 oddcomabszz 43393 infnsuprnmpt 45700 supminfrnmpt 45894 supminfxr 45913 etransclem17 46700 etransclem46 46729 etransclem47 46730 2zrngagrp 48740 digval 49089 |
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