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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 4639 |
. . . 4
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2 | 1 | gen2 1461 |
. . 3
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3 | dftr2 4130 |
. . 3
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4 | 2, 3 | mpbir 146 |
. 2
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5 | treq 4134 |
. . . 4
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6 | treq 4134 |
. . . 4
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7 | treq 4134 |
. . . 4
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8 | tr0 4139 |
. . . 4
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9 | suctr 4453 |
. . . . 5
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10 | 9 | a1i 9 |
. . . 4
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11 | 5, 6, 7, 6, 8, 10 | finds 4633 |
. . 3
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12 | 11 | rgen 2547 |
. 2
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13 | dford3 4399 |
. 2
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14 | 4, 12, 13 | mpbir2an 944 |
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 4148 ax-nul 4156 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-iinf 4621 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-uni 3837 df-int 3872 df-tr 4129 df-iord 4398 df-suc 4403 df-iom 4624 |
This theorem is referenced by: omelon2 4641 limom 4647 freccllem 6457 frecfcllem 6459 frecsuclem 6461 fict 6926 infnfi 6953 isinfinf 6955 hashinfuni 10851 hashinfom 10852 hashennn 10854 ennnfonelemrn 12579 ctinf 12590 |
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