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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-rnegex 8278 |
. 2
| |
| 2 | recn 8302 |
. . . . 5
| |
| 3 | df-neg 8490 |
. . . . . . 7
| |
| 4 | 3 | eqeq1i 2246 |
. . . . . 6
|
| 5 | recn 8302 |
. . . . . . 7
| |
| 6 | 0cn 8308 |
. . . . . . . 8
| |
| 7 | subadd 8519 |
. . . . . . . 8
| |
| 8 | 6, 7 | mp3an1 1365 |
. . . . . . 7
|
| 9 | 5, 8 | sylan 283 |
. . . . . 6
|
| 10 | 4, 9 | bitrid 192 |
. . . . 5
|
| 11 | 2, 10 | sylan2 286 |
. . . 4
|
| 12 | eleq1a 2310 |
. . . . 5
| |
| 13 | 12 | adantl 277 |
. . . 4
|
| 14 | 11, 13 | sylbird 170 |
. . 3
|
| 15 | 14 | rexlimdva 2668 |
. 2
|
| 16 | 1, 15 | mpd 13 |
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-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-setind 4679 ax-resscn 8261 ax-1cn 8262 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-distr 8273 ax-i2m1 8274 ax-0id 8277 ax-rnegex 8278 ax-cnre 8280 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-iota 5332 df-fun 5374 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-sub 8489 df-neg 8490 |
| This theorem is referenced by: renegcli 8578 resubcl 8580 negreb 8581 renegcld 8697 negf1o 8699 ltnegcon1 8781 ltnegcon2 8782 lenegcon1 8784 lenegcon2 8785 mullt0 8798 recexre 8896 elnnz 9633 btwnz 9744 supinfneg 9974 infsupneg 9975 supminfex 9976 ublbneg 9992 negm 9994 rpnegap 10066 negelrp 10067 xnegcl 10213 xnegneg 10214 xltnegi 10216 rexsub 10234 xnegid 10240 xnegdi 10249 xpncan 10252 xnpcan 10253 xposdif 10263 iooneg 10369 iccneg 10370 icoshftf1o 10372 infssuzex 10644 crim 11601 absnid 11817 absdiflt 11836 absdifle 11837 dfabsmax 11961 max0addsup 11963 negfi 11972 minmax 11974 mincl 11975 min1inf 11976 min2inf 11977 minabs 11980 minclpr 11981 mingeb 11986 xrminrecl 12017 xrminrpcl 12018 |
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