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| Mirrors > Home > ILE Home > Th. List > ordtr1 | Unicode version | ||
| Description: Transitive law for ordinal classes. (Contributed by NM, 12-Dec-2004.) |
| Ref | Expression |
|---|---|
| ordtr1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ordtr 4525 |
. 2
| |
| 2 | trel 4238 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 df-ss 3233 df-uni 3936 df-tr 4232 df-iord 4513 |
| This theorem is used by: ontr1 4536 ordwe 4725 dfsmo2 6562 smores2 6569 smoel 6575 tfr1onlemsucaccv 6616 tfr1onlembxssdm 6618 tfr1onlembfn 6619 tfr1onlemaccex 6623 tfr1onlemres 6624 tfrcllemsucaccv 6629 tfrcllembxssdm 6631 tfrcllembfn 6632 tfrcllemaccex 6636 tfrcllemres 6637 tfrcl 6639 ordiso2 7381 |
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