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| Mirrors > Home > ILE Home > Th. List > onntri3or | Unicode version | ||
| Description: Double negated ordinal trichotomy. (Contributed by Jim Kingdon, 25-Aug-2024.) |
| Ref | Expression |
|---|---|
| onntri3or |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | onntri51 7307 |
. . 3
| |
| 2 | onntri13 7305 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | onntri35 7304 |
. 2
| |
| 5 | 3, 4 | impbii 126 |
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 |
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-pw 3607 df-sn 3628 df-pr 3629 df-uni 3840 df-int 3875 df-tr 4132 df-exmid 4228 df-iord 4401 df-on 4403 df-suc 4406 df-iom 4627 df-1o 6474 df-2o 6475 df-3o 6476 |
| This theorem is referenced by: (None) |
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