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Mirrors > Home > ILE Home > Th. List > 2ordpr | Unicode version |
Description: Version of 2on 6330
with the definition of ![]() ![]() |
Ref | Expression |
---|---|
2ordpr |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ord0 4321 |
. . 3
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2 | ordsucim 4424 |
. . 3
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3 | ordsucim 4424 |
. . 3
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4 | 1, 2, 3 | mp2b 8 |
. 2
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5 | df-suc 4301 |
. . . 4
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6 | suc0 4341 |
. . . . 5
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7 | suceq 4332 |
. . . . 5
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8 | 6, 7 | ax-mp 5 |
. . . 4
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9 | df-pr 3539 |
. . . 4
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10 | 5, 8, 9 | 3eqtr4i 2171 |
. . 3
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11 | ordeq 4302 |
. . 3
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12 | 10, 11 | ax-mp 5 |
. 2
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13 | 4, 12 | mpbi 144 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-nul 3369 df-pw 3517 df-sn 3538 df-pr 3539 df-uni 3745 df-tr 4035 df-iord 4296 df-suc 4301 |
This theorem is referenced by: ontr2exmid 4448 ordtri2or2exmidlem 4449 onsucelsucexmidlem 4452 |
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