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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 7143 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
2 | df-neg 10862 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
3 | df-neg 10862 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
4 | 1, 2, 3 | 3eqtr4g 2858 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 (class class class)co 7135 0cc0 10526 − cmin 10859 -cneg 10860 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-neg 10862 |
This theorem is referenced by: negeqi 10868 negeqd 10869 neg11 10926 renegcl 10938 negn0 11058 negf1o 11059 negfi 11577 infm3lem 11586 infm3 11587 riotaneg 11607 negiso 11608 infrenegsup 11611 elz 11971 elz2 11987 znegcl 12005 zindd 12071 zriotaneg 12084 ublbneg 12321 eqreznegel 12322 supminf 12323 zsupss 12325 qnegcl 12353 xnegeq 12588 ceilval 13203 expneg 13433 m1expcl2 13447 sqeqor 13574 sqrmo 14603 dvdsnegb 15619 lcmneg 15937 pcexp 16186 pcneg 16200 mulgneg2 18253 negfcncf 23528 xrhmeo 23551 evth2 23565 volsup2 24209 mbfi1fseqlem2 24320 mbfi1fseq 24325 lhop2 24618 lognegb 25181 lgsdir2lem4 25912 rpvmasum2 26096 ex-ceil 28233 hgt749d 32030 itgaddnclem2 35116 ftc1anclem5 35134 areacirc 35150 renegclALT 36259 rexzrexnn0 39745 dvdsrabdioph 39751 monotoddzzfi 39883 monotoddzz 39884 oddcomabszz 39885 infnsuprnmpt 41888 supminfrnmpt 42082 supminfxr 42103 etransclem17 42893 etransclem46 42922 etransclem47 42923 2zrngagrp 44567 digval 45012 |
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