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Mirrors > Home > ILE Home > Th. List > renegcl | Unicode version |
Description: Closure law for negative of reals. (Contributed by NM, 20-Jan-1997.) |
Ref | Expression |
---|---|
renegcl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-rnegex 7147 |
. 2
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2 | recn 7168 |
. . . . 5
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3 | df-neg 7349 |
. . . . . . 7
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4 | 3 | eqeq1i 2089 |
. . . . . 6
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5 | recn 7168 |
. . . . . . 7
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6 | 0cn 7173 |
. . . . . . . 8
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7 | subadd 7378 |
. . . . . . . 8
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8 | 6, 7 | mp3an1 1256 |
. . . . . . 7
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9 | 5, 8 | sylan 277 |
. . . . . 6
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10 | 4, 9 | syl5bb 190 |
. . . . 5
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11 | 2, 10 | sylan2 280 |
. . . 4
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12 | eleq1a 2151 |
. . . . 5
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13 | 12 | adantl 271 |
. . . 4
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14 | 11, 13 | sylbird 168 |
. . 3
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15 | 14 | rexlimdva 2478 |
. 2
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16 | 1, 15 | mpd 13 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3904 ax-pow 3956 ax-pr 3972 ax-setind 4288 ax-resscn 7130 ax-1cn 7131 ax-icn 7133 ax-addcl 7134 ax-addrcl 7135 ax-mulcl 7136 ax-addcom 7138 ax-addass 7140 ax-distr 7142 ax-i2m1 7143 ax-0id 7146 ax-rnegex 7147 ax-cnre 7149 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-fal 1291 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ne 2247 df-ral 2354 df-rex 2355 df-reu 2356 df-rab 2358 df-v 2604 df-sbc 2817 df-dif 2976 df-un 2978 df-in 2980 df-ss 2987 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-br 3794 df-opab 3848 df-id 4056 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-iota 4897 df-fun 4934 df-fv 4940 df-riota 5499 df-ov 5546 df-oprab 5547 df-mpt2 5548 df-sub 7348 df-neg 7349 |
This theorem is referenced by: renegcli 7437 resubcl 7439 negreb 7440 renegcld 7551 negf1o 7553 ltnegcon1 7634 ltnegcon2 7635 lenegcon1 7637 lenegcon2 7638 mullt0 7651 recexre 7745 elnnz 8442 btwnz 8547 supinfneg 8764 infsupneg 8765 supminfex 8766 ublbneg 8779 negm 8781 rpnegap 8847 xnegcl 8975 xnegneg 8976 xltnegi 8978 iooneg 9086 iccneg 9087 icoshftf1o 9089 crim 9883 absnid 10097 absdiflt 10116 absdifle 10117 dfabsmax 10241 max0addsup 10243 negfi 10248 minmax 10250 min1inf 10251 min2inf 10252 infssuzex 10489 |
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