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| Description: Equality inference for negatives. |
| Ref | Expression |
|---|---|
| negeqi.1 |
|
| Ref | Expression |
|---|---|
| negeqi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negeqi.1 |
. 2
| |
| 2 | negeq 7012 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mulneg2i 7083 mul2negi 7084 negsubdii 7086 recgt0ii 7323 discrlem1 8290 sqrlem11 8317 crmuli 8374 crreczi 8375 imre 8407 renegi 8428 imnegi 8430 cjnegi 8431 cos2bnd 9139 divalglem2 9292 nvpi 10495 ipid 10571 ipasslem10 10709 pilem3 10893 eulerid 10903 pilog 10993 normlem1 11446 polid2i 11493 pjthlem5 11690 lnophmlem2 12411 mamb 15824 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1592 ax-gen 1593 ax-8 1594 ax-9 1595 ax-10 1596 ax-11 1597 ax-12 1598 ax-14 1600 ax-17 1605 ax-4 1608 ax-5o 1610 ax-6o 1613 ax-9o 1763 ax-10o 1781 ax-16 1854 ax-11o 1864 ax-ext 2123 ax-sep 3606 ax-nul 3613 ax-pow 3649 ax-pr 3687 |
| This theorem depends on definitions: df-bi 220 df-or 338 df-an 339 df-ex 1616 df-sb 1816 df-eu 2041 df-mo 2042 df-clab 2129 df-cleq 2134 df-clel 2137 df-ne 2268 df-rex 2360 df-v 2540 df-dif 2830 df-un 2832 df-in 2834 df-ss 2836 df-nul 3083 df-pw 3229 df-sn 3242 df-pr 3243 df-op 3246 df-uni 3367 df-br 3508 df-opab 3566 df-xp 4133 df-cnv 4135 df-dm 4137 df-rn 4138 df-res 4139 df-ima 4140 df-fv 4147 df-opr 4983 df-neg 7011 |