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Mirrors > Home > ILE Home > Th. List > ordom | Unicode version |
Description: Omega is ordinal. Theorem 7.32 of [TakeutiZaring] p. 43. (Contributed by NM, 18-Oct-1995.) |
Ref | Expression |
---|---|
ordom |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elnn 4354 |
. . . 4
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2 | 1 | gen2 1380 |
. . 3
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3 | dftr2 3885 |
. . 3
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4 | 2, 3 | mpbir 144 |
. 2
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5 | treq 3889 |
. . . 4
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6 | treq 3889 |
. . . 4
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7 | treq 3889 |
. . . 4
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8 | tr0 3894 |
. . . 4
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9 | suctr 4184 |
. . . . 5
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10 | 9 | a1i 9 |
. . . 4
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11 | 5, 6, 7, 6, 8, 10 | finds 4349 |
. . 3
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12 | 11 | rgen 2417 |
. 2
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13 | dford3 4130 |
. 2
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14 | 4, 12, 13 | mpbir2an 884 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3904 ax-nul 3912 ax-pow 3956 ax-pr 3972 ax-un 4196 ax-iinf 4337 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-dif 2976 df-un 2978 df-in 2980 df-ss 2987 df-nul 3259 df-pw 3392 df-sn 3412 df-pr 3413 df-uni 3610 df-int 3645 df-tr 3884 df-iord 4129 df-suc 4134 df-iom 4340 |
This theorem is referenced by: omelon2 4356 limom 4362 freccllem 6051 frecfcllem 6053 frecsuclem 6055 fict 6403 infnfi 6429 sizeinfuni 9801 sizeinf 9802 sizeennn 9804 |
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