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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 10867 | . 2 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ -𝐴 = -𝐵 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 -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: negsubdii 10960 recgt0ii 11535 m1expcl2 13447 crreczi 13585 absi 14638 geo2sum2 15222 bpoly2 15403 bpoly3 15404 sinhval 15499 coshval 15500 cos2bnd 15533 divalglem2 15736 m1expaddsub 18618 cnmsgnsubg 20266 psgninv 20271 ncvspi 23761 cphipval2 23845 ditg0 24456 cbvditg 24457 ang180lem2 25396 ang180lem3 25397 ang180lem4 25398 1cubrlem 25427 dcubic2 25430 atandm2 25463 efiasin 25474 asinsinlem 25477 asinsin 25478 asin1 25480 reasinsin 25482 atancj 25496 atantayl2 25524 ppiub 25788 lgseisenlem1 25959 lgseisenlem2 25960 lgsquadlem1 25964 ostth3 26222 nvpi 28450 ipidsq 28493 ipasslem10 28622 normlem1 28893 polid2i 28940 lnophmlem2 29800 archirngz 30868 xrge0iif1 31291 ballotlem2 31856 itg2addnclem3 35110 dvasin 35141 areacirc 35150 lhe4.4ex1a 41033 itgsin0pilem1 42592 stoweidlem26 42668 dirkertrigeqlem3 42742 fourierdlem103 42851 sqwvfourb 42871 fourierswlem 42872 proththd 44132 |
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