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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 8509 |
. 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 df-neg 8490 |
| This theorem is referenced by: negdi 8573 mulneg2 8713 mulm1 8717 eqord2 8802 mulreim 8922 apneg 8929 divnegap 9026 div2negap 9055 recgt0 9170 infrenegsupex 9973 supminfex 9976 mul2lt0rlt0 10139 ceilqval 10721 ceilid 10730 modqcyc2 10775 monoord2 10901 reneg 11611 imneg 11619 cjcj 11626 cjneg 11633 minmax 11974 minabs 11980 telfsumo2 12212 sinneg 12471 tannegap 12473 sincossq 12493 odd2np1 12618 oexpneg 12622 modgcd 12746 pcneg 13082 mulgval 13902 mulgneg 13920 ivthdec 15668 limcimolemlt 15688 dvrecap 15737 sinperlem 15832 efimpi 15843 ptolemy 15848 lgsneg1 16058 lgseisenlem1 16103 lgseisenlem4 16106 m1lgs 16118 ex-ceil 16654 |
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