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Mirrors > Home > ILE Home > Th. List > xrlelttr | Unicode version |
Description: Transitive law for ordering on extended reals. (Contributed by NM, 19-Jan-2006.) |
Ref | Expression |
---|---|
xrlelttr |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simprl 529 |
. . . . 5
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2 | simpl1 1001 |
. . . . . 6
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3 | simpl2 1002 |
. . . . . 6
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4 | xrlenlt 8036 |
. . . . . 6
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5 | 2, 3, 4 | syl2anc 411 |
. . . . 5
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6 | 1, 5 | mpbid 147 |
. . . 4
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7 | 6 | pm2.21d 620 |
. . 3
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8 | idd 21 |
. . 3
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9 | simprr 531 |
. . . 4
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10 | simpl3 1003 |
. . . . 5
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11 | xrltso 9810 |
. . . . . 6
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12 | sowlin 4332 |
. . . . . 6
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13 | 11, 12 | mpan 424 |
. . . . 5
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14 | 3, 10, 2, 13 | syl3anc 1248 |
. . . 4
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15 | 9, 14 | mpd 13 |
. . 3
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16 | 7, 8, 15 | mpjaod 719 |
. 2
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17 | 16 | ex 115 |
1
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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 615 ax-in2 616 ax-io 710 ax-5 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-sep 4133 ax-pow 4186 ax-pr 4221 ax-un 4445 ax-setind 4548 ax-cnex 7916 ax-resscn 7917 ax-pre-ltirr 7937 ax-pre-ltwlin 7938 ax-pre-lttrn 7939 |
This theorem depends on definitions: df-bi 117 df-3or 980 df-3an 981 df-tru 1366 df-fal 1369 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-ne 2358 df-nel 2453 df-ral 2470 df-rex 2471 df-rab 2474 df-v 2751 df-dif 3143 df-un 3145 df-in 3147 df-ss 3154 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-br 4016 df-opab 4077 df-po 4308 df-iso 4309 df-xp 4644 df-cnv 4646 df-pnf 8008 df-mnf 8009 df-xr 8010 df-ltxr 8011 df-le 8012 |
This theorem is referenced by: xrlelttrd 9824 xrre 9834 xrre2 9835 iooss1 9930 iccssioo 9956 iccssico 9959 iocssioo 9977 ioossioo 9979 ico0 10276 bldisj 14254 xblm 14270 blsscls2 14346 metcnpi3 14370 |
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