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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 7364 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11365 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11365 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2794 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 (class class class)co 7356 0cc0 11024 − cmin 11362 -cneg 11363 |
| 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 2706 |
| 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 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-iota 6446 df-fv 6498 df-ov 7359 df-neg 11365 |
| This theorem is referenced by: negeqi 11371 negeqd 11372 neg11 11430 renegcl 11442 negn0 11564 negf1o 11565 negfi 12089 infm3lem 12098 infm3 12099 riotaneg 12119 negiso 12120 infrenegsup 12123 elz 12488 elz2 12504 znegcl 12524 zindd 12591 zriotaneg 12603 ublbneg 12844 eqreznegel 12845 supminf 12846 zsupss 12848 qnegcl 12877 xnegeq 13120 ceilval 13756 expneg 13990 m1expcl2 14006 sqeqor 14137 sqrmo 15172 dvdsnegb 16198 lcmneg 16528 pcexp 16785 pcneg 16800 mulgneg2 19036 negfcncf 24871 xrhmeo 24898 evth2 24913 volsup2 25560 mbfi1fseqlem2 25671 mbfi1fseq 25676 lhop2 25974 lognegb 26553 lgsdir2lem4 27293 rpvmasum2 27477 ex-ceil 30472 elrgspnlem1 33273 hgt749d 34755 itgaddnclem2 37819 ftc1anclem5 37837 areacirc 37853 renegclALT 39162 rexzrexnn0 42988 dvdsrabdioph 42994 monotoddzzfi 43126 monotoddzz 43127 oddcomabszz 43128 infnsuprnmpt 45436 supminfrnmpt 45631 supminfxr 45650 etransclem17 46437 etransclem46 46466 etransclem47 46467 2zrngagrp 48437 digval 48786 |
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