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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 8392 |
. . . . 5
| |
| 2 | breq2 4129 |
. . . . . 6
| |
| 3 | 2 | notbid 677 |
. . . . 5
|
| 4 | 1, 3 | syl5ibcom 155 |
. . . 4
|
| 5 | breq1 4128 |
. . . . . 6
| |
| 6 | 5 | notbid 677 |
. . . . 5
|
| 7 | 1, 6 | syl5ibcom 155 |
. . . 4
|
| 8 | 4, 7 | jcad 307 |
. . 3
|
| 9 | 8 | adantr 276 |
. 2
|
| 10 | ioran 764 |
. . 3
| |
| 11 | axapti 8386 |
. . . 4
| |
| 12 | 11 | 3expia 1236 |
. . 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 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-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-pre-ltirr 8281 ax-pre-apti 8284 |
| 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-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 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-xp 4775 df-pnf 8352 df-mnf 8353 df-ltxr 8355 |
| This theorem is referenced by: letri3 8396 lttri3i 8413 lttri3d 8430 inelr 8902 lbinf 9268 suprubex 9271 suprlubex 9272 suprleubex 9274 sup3exmid 9277 suprzclex 9723 infrenegsupex 9973 supminfex 9976 infregelbex 9977 xrlttri3 10178 zsupcl 10642 zssinfcl 10643 infssuzledc 10645 suprzcl2dc 10652 maxleim 11949 maxabs 11953 maxleast 11957 dvdslegcd 12719 bezoutlemsup 12764 dfgcd2 12769 lcmgcdlem 12833 ballotfilemirc 13253 suplociccex 15649 pilem3 15807 taupi 17028 |
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