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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 7404 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
| 2 | df-neg 11417 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
| 3 | df-neg 11417 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
| 4 | 1, 2, 3 | 3eqtr4g 2822 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 (class class class)co 7396 0cc0 11073 − cmin 11414 -cneg 11415 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6477 df-fv 6529 df-ov 7399 df-neg 11417 |
| This theorem is referenced by: negeqi 11423 negeqd 11424 neg11 11482 renegcl 11494 negn0 11616 negf1o 11617 negfi 12141 infm3lem 12150 infm3 12151 riotaneg 12171 negiso 12172 infrenegsup 12175 elz 12570 elz2 12586 znegcl 12606 zindd 12674 zriotaneg 12686 ublbneg 12934 eqreznegel 12935 supminf 12936 zsupss 12938 qnegcl 12967 xnegeq 13210 ceilval 13848 expneg 14082 m1expcl2 14098 sqeqor 14229 sqrmo 15278 dvdsnegb 16307 lcmneg 16637 pcexp 16895 pcneg 16910 mulgneg2 19150 negfcncf 24985 xrhmeo 25008 evth2 25022 volsup2 25667 mbfi1fseqlem2 25778 mbfi1fseq 25783 lhop2 26077 lognegb 26655 lgsdir2lem4 27392 rpvmasum2 27576 ex-ceil 30650 elrgspnlem1 33423 hgt749d 34943 itgaddnclem2 38178 ftc1anclem5 38196 areacirc 38212 renegclALT 39587 rexzrexnn0 43381 dvdsrabdioph 43387 monotoddzzfi 43519 monotoddzz 43520 oddcomabszz 43521 infnsuprnmpt 45825 supminfrnmpt 46019 supminfxr 46038 etransclem17 46825 etransclem46 46854 etransclem47 46855 2zrngagrp 48871 digval 49220 |
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