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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 7375 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11380 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11380 | . 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 1542 (class class class)co 7367 0cc0 11038 − cmin 11377 -cneg 11378 |
| 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 2708 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 df-neg 11380 |
| This theorem is referenced by: negeqi 11386 negeqd 11387 neg11 11445 renegcl 11457 negn0 11579 negf1o 11580 negfi 12105 infm3lem 12114 infm3 12115 riotaneg 12135 negiso 12136 infrenegsup 12139 elz 12526 elz2 12542 znegcl 12562 zindd 12630 zriotaneg 12642 ublbneg 12883 eqreznegel 12884 supminf 12885 zsupss 12887 qnegcl 12916 xnegeq 13159 ceilval 13797 expneg 14031 m1expcl2 14047 sqeqor 14178 sqrmo 15213 dvdsnegb 16242 lcmneg 16572 pcexp 16830 pcneg 16845 mulgneg2 19084 negfcncf 24890 xrhmeo 24913 evth2 24927 volsup2 25572 mbfi1fseqlem2 25683 mbfi1fseq 25688 lhop2 25982 lognegb 26554 lgsdir2lem4 27291 rpvmasum2 27475 ex-ceil 30518 elrgspnlem1 33303 hgt749d 34793 itgaddnclem2 38000 ftc1anclem5 38018 areacirc 38034 renegclALT 39409 rexzrexnn0 43232 dvdsrabdioph 43238 monotoddzzfi 43370 monotoddzz 43371 oddcomabszz 43372 infnsuprnmpt 45679 supminfrnmpt 45873 supminfxr 45892 etransclem17 46679 etransclem46 46708 etransclem47 46709 2zrngagrp 48725 digval 49074 |
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