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Mirrors > Home > ILE Home > Th. List > ltpiord | Unicode version |
Description: Positive integer 'less than' in terms of ordinal membership. (Contributed by NM, 6-Feb-1996.) (Revised by Mario Carneiro, 28-Apr-2015.) |
Ref | Expression |
---|---|
ltpiord |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-lti 7108 | . . 3 | |
2 | 1 | breqi 3930 | . 2 |
3 | brinxp 4602 | . . 3 | |
4 | epelg 4207 | . . . 4 | |
5 | 4 | adantl 275 | . . 3 |
6 | 3, 5 | bitr3d 189 | . 2 |
7 | 2, 6 | syl5bb 191 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wcel 1480 cin 3065 class class class wbr 3924 cep 4204 cxp 4532 cnpi 7073 clti 7076 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-opab 3985 df-eprel 4206 df-xp 4540 df-lti 7108 |
This theorem is referenced by: ltsopi 7121 pitric 7122 pitri3or 7123 ltdcpi 7124 ltexpi 7138 ltapig 7139 ltmpig 7140 1lt2pi 7141 nlt1pig 7142 archnqq 7218 prarloclemarch2 7220 prarloclemlt 7294 prarloclemn 7300 |
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