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| Mirrors > Home > ILE Home > Th. List > negeqd | Unicode version | ||
| Description: Equality deduction for negatives. (Contributed by NM, 14-May-1999.) |
| Ref | Expression |
|---|---|
| negeqd.1 |
|
| Ref | Expression |
|---|---|
| negeqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negeqd.1 |
. 2
| |
| 2 | negeq 8431 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-rex 2517 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-neg 8412 |
| This theorem is referenced by: negdi 8495 mulneg2 8634 mulm1 8638 eqord2 8723 mulreim 8843 apneg 8850 divnegap 8945 div2negap 8974 recgt0 9089 infrenegsupex 9889 supminfex 9892 mul2lt0rlt0 10055 ceilqval 10631 ceilid 10640 modqcyc2 10685 monoord2 10811 reneg 11508 imneg 11516 cjcj 11523 cjneg 11530 minmax 11870 minabs 11876 telfsumo2 12108 sinneg 12367 tannegap 12369 sincossq 12389 odd2np1 12514 oexpneg 12518 modgcd 12642 pcneg 12978 mulgval 13789 mulgneg 13807 ivthdec 15455 limcimolemlt 15475 dvrecap 15524 sinperlem 15619 efimpi 15630 ptolemy 15635 lgsneg1 15844 lgseisenlem1 15889 lgseisenlem4 15892 m1lgs 15904 ex-ceil 16440 |
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