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Mirrors > Home > ILE Home > Th. List > onntri45 | Unicode version |
Description: Double negated ordinal trichotomy. (Contributed by James E. Hanson and Jim Kingdon, 2-Aug-2024.) |
Ref | Expression |
---|---|
onntri45 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pw1on 7227 |
. . . . 5
![]() ![]() ![]() ![]() ![]() | |
2 | 1 | onsuci 4517 |
. . . 4
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3 | 3on 6430 |
. . . 4
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4 | sseq1 3180 |
. . . . . . . 8
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5 | sseq2 3181 |
. . . . . . . 8
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6 | 4, 5 | orbi12d 793 |
. . . . . . 7
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7 | 6 | notbid 667 |
. . . . . 6
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8 | 7 | notbid 667 |
. . . . 5
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9 | sseq2 3181 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
10 | sseq1 3180 |
. . . . . . . 8
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11 | 9, 10 | orbi12d 793 |
. . . . . . 7
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12 | 11 | notbid 667 |
. . . . . 6
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13 | 12 | notbid 667 |
. . . . 5
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14 | 8, 13 | rspc2v 2856 |
. . . 4
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15 | 2, 3, 14 | mp2an 426 |
. . 3
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16 | ioran 752 |
. . 3
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17 | 15, 16 | sylnib 676 |
. 2
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18 | sucpw1nss3 7236 |
. . 3
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19 | 3nsssucpw1 7237 |
. . 3
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20 | 18, 19 | jca 306 |
. 2
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21 | 17, 20 | nsyl 628 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-nul 4131 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-v 2741 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-uni 3812 df-int 3847 df-tr 4104 df-exmid 4197 df-iord 4368 df-on 4370 df-suc 4373 df-iom 4592 df-1o 6419 df-2o 6420 df-3o 6421 |
This theorem is referenced by: onntri2or 7247 |
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