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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 8466 |
. 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 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rex 2526 df-v 2815 df-un 3215 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-iota 5312 df-fv 5360 df-ov 6053 df-neg 8447 |
| This theorem is referenced by: negdi 8530 mulneg2 8669 mulm1 8673 eqord2 8758 mulreim 8878 apneg 8885 divnegap 8980 div2negap 9009 recgt0 9124 infrenegsupex 9926 supminfex 9929 mul2lt0rlt0 10092 ceilqval 10668 ceilid 10677 modqcyc2 10722 monoord2 10848 reneg 11553 imneg 11561 cjcj 11568 cjneg 11575 minmax 11915 minabs 11921 telfsumo2 12153 sinneg 12412 tannegap 12414 sincossq 12434 odd2np1 12559 oexpneg 12563 modgcd 12687 pcneg 13023 mulgval 13839 mulgneg 13857 ivthdec 15509 limcimolemlt 15529 dvrecap 15578 sinperlem 15673 efimpi 15684 ptolemy 15689 lgsneg1 15898 lgseisenlem1 15943 lgseisenlem4 15946 m1lgs 15958 ex-ceil 16494 |
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