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Mirrors > Home > ILE Home > Th. List > xrletr | Unicode version |
Description: Transitive law for ordering on extended reals. (Contributed by NM, 9-Feb-2006.) |
Ref | Expression |
---|---|
xrletr |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xrltso 9862 |
. . . . . 6
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2 | sowlin 4351 |
. . . . . 6
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3 | 1, 2 | mpan 424 |
. . . . 5
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4 | 3 | 3coml 1212 |
. . . 4
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5 | orcom 729 |
. . . 4
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6 | 4, 5 | imbitrdi 161 |
. . 3
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7 | 6 | con3d 632 |
. 2
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8 | xrlenlt 8084 |
. . . . 5
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9 | 8 | 3adant3 1019 |
. . . 4
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10 | xrlenlt 8084 |
. . . . 5
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11 | 10 | 3adant1 1017 |
. . . 4
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12 | 9, 11 | anbi12d 473 |
. . 3
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13 | ioran 753 |
. . 3
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14 | 12, 13 | bitr4di 198 |
. 2
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15 | xrlenlt 8084 |
. . 3
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16 | 15 | 3adant2 1018 |
. 2
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17 | 7, 14, 16 | 3imtr4d 203 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-po 4327 df-iso 4328 df-xp 4665 df-cnv 4667 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 |
This theorem is referenced by: xrletrd 9878 xle2add 9945 icc0r 9992 iccss 10007 icossico 10009 iccss2 10010 iccssico 10011 bdxmet 14669 |
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