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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 8288 |
. 2
| |
| 2 | recn 8312 |
. . . . 5
| |
| 3 | df-neg 8500 |
. . . . . . 7
| |
| 4 | 3 | eqeq1i 2246 |
. . . . . 6
|
| 5 | recn 8312 |
. . . . . . 7
| |
| 6 | 0cn 8318 |
. . . . . . . 8
| |
| 7 | subadd 8529 |
. . . . . . . 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 |
| This proof depends on syntax axioms:
|
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-setind 4684 ax-resscn 8271 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-distr 8283 ax-i2m1 8284 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 |
| This proof 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 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-sub 8499 df-neg 8500 |
| This theorem is used by: renegcli 8588 resubcl 8590 negreb 8591 renegcld 8707 negf1o 8709 ltnegcon1 8791 ltnegcon2 8792 lenegcon1 8794 lenegcon2 8795 mullt0 8808 recexre 8906 elnnz 9654 btwnz 9765 supinfneg 9995 infsupneg 9996 supminfex 9997 ublbneg 10013 negm 10015 rpnegap 10087 negelrp 10088 xnegcl 10234 xnegneg 10235 xltnegi 10237 rexsub 10255 xnegid 10261 xnegdi 10270 xpncan 10273 xnpcan 10274 xposdif 10284 iooneg 10390 iccneg 10391 icoshftf1o 10393 infssuzex 10666 crim 11623 absnid 11839 absdiflt 11858 absdifle 11859 dfabsmax 11983 max0addsup 11985 negfi 11994 minmax 11996 mincl 11997 min1inf 11998 min2inf 11999 minabs 12002 minclpr 12003 mingeb 12008 xrminrecl 12039 xrminrpcl 12040 |
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