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| Mirrors > Home > ILE Home > Th. List > lttri3 | Unicode version | ||
| Description: Tightness of real apartness. (Contributed by NM, 5-May-1999.) |
| Ref | Expression |
|---|---|
| lttri3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltnr 8315 |
. . . . 5
| |
| 2 | breq2 4097 |
. . . . . 6
| |
| 3 | 2 | notbid 673 |
. . . . 5
|
| 4 | 1, 3 | syl5ibcom 155 |
. . . 4
|
| 5 | breq1 4096 |
. . . . . 6
| |
| 6 | 5 | notbid 673 |
. . . . 5
|
| 7 | 1, 6 | syl5ibcom 155 |
. . . 4
|
| 8 | 4, 7 | jcad 307 |
. . 3
|
| 9 | 8 | adantr 276 |
. 2
|
| 10 | ioran 760 |
. . 3
| |
| 11 | axapti 8309 |
. . . 4
| |
| 12 | 11 | 3expia 1232 |
. . 3
|
| 13 | 10, 12 | biimtrrid 153 |
. 2
|
| 14 | 9, 13 | impbid 129 |
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 619 ax-in2 620 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-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-pre-ltirr 8204 ax-pre-apti 8207 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-xp 4737 df-pnf 8275 df-mnf 8276 df-ltxr 8278 |
| This theorem is referenced by: letri3 8319 lttri3i 8336 lttri3d 8353 inelr 8823 lbinf 9187 suprubex 9190 suprlubex 9191 suprleubex 9193 sup3exmid 9196 suprzclex 9639 infrenegsupex 9889 supminfex 9892 infregelbex 9893 xrlttri3 10093 zsupcl 10554 zssinfcl 10555 infssuzledc 10557 suprzcl2dc 10562 maxleim 11845 maxabs 11849 maxleast 11853 dvdslegcd 12615 bezoutlemsup 12660 dfgcd2 12665 lcmgcdlem 12729 suplociccex 15436 pilem3 15594 taupi 16806 |
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