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| Mirrors > Home > MPE Home > Th. List > negeqi | Structured version Visualization version GIF version | ||
| Description: Equality inference for negatives. (Contributed by NM, 14-Feb-1995.) |
| Ref | Expression |
|---|---|
| negeqi.1 | ⊢ 𝐴 = 𝐵 |
| Ref | Expression |
|---|---|
| negeqi | ⊢ -𝐴 = -𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negeqi.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | negeq 11384 | . 2 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ -𝐴 = -𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 -cneg 11377 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-neg 11379 |
| This theorem is referenced by: negsubdii 11478 recgt0ii 12060 m1expcl2 14020 crreczi 14163 absi 15221 geo2sum2 15809 bpoly2 15992 bpoly3 15993 sinhval 16091 coshval 16092 cos2bnd 16125 divalglem2 16334 m1expaddsub 19442 cnmsgnsubg 21547 psgninv 21552 ncvspi 25127 cphipval2 25212 ditg0 25825 cbvditg 25826 ang180lem2 26791 ang180lem3 26792 ang180lem4 26793 1cubrlem 26822 dcubic2 26825 atandm2 26858 efiasin 26869 asinsinlem 26872 asinsin 26873 asin1 26875 reasinsin 26877 atancj 26891 atantayl2 26919 ppiub 27186 lgseisenlem1 27357 lgseisenlem2 27358 lgsquadlem1 27362 ostth3 27620 nvpi 30759 ipidsq 30802 ipasslem10 30931 normlem1 31202 polid2i 31249 lnophmlem2 32109 archirngz 33287 cos9thpiminplylem1 33964 cos9thpiminplylem5 33968 xrge0iif1 34120 ballotlem2 34671 ditgeq123i 36429 cbvditgvw2 36469 itg2addnclem3 37928 dvasin 37959 areacirc 37968 cos2t3rdpi 42728 sin4t3rdpi 42729 cos4t3rdpi 42730 lhe4.4ex1a 44689 itgsin0pilem1 46312 stoweidlem26 46388 dirkertrigeqlem3 46462 fourierdlem103 46571 sqwvfourb 46591 fourierswlem 46592 proththd 47978 |
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