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| Mirrors > Home > ILE Home > Th. List > ordwe | Unicode version | ||
| Description: Epsilon well-orders every ordinal. Proposition 7.4 of [TakeutiZaring] p. 36. (Contributed by NM, 3-Apr-1994.) | 
| Ref | Expression | 
|---|---|
| ordwe | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ordfr 4611 | 
. 2
 | |
| 2 | ordelord 4416 | 
. . . . 5
 | |
| 3 | 2 | 3ad2antr3 1166 | 
. . . 4
 | 
| 4 | ordtr1 4423 | 
. . . . 5
 | |
| 5 | epel 4327 | 
. . . . . 6
 | |
| 6 | epel 4327 | 
. . . . . 6
 | |
| 7 | 5, 6 | anbi12i 460 | 
. . . . 5
 | 
| 8 | epel 4327 | 
. . . . 5
 | |
| 9 | 4, 7, 8 | 3imtr4g 205 | 
. . . 4
 | 
| 10 | 3, 9 | syl 14 | 
. . 3
 | 
| 11 | 10 | ralrimivvva 2580 | 
. 2
 | 
| 12 | df-wetr 4369 | 
. 2
 | |
| 13 | 1, 11, 12 | sylanbrc 417 | 
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-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-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-setind 4573 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-br 4034 df-opab 4095 df-tr 4132 df-eprel 4324 df-frfor 4366 df-frind 4367 df-wetr 4369 df-iord 4401 | 
| This theorem is referenced by: nnwetri 6977 | 
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