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Mirrors > Home > ILE Home > Th. List > ltrelpi | Unicode version |
Description: Positive integer 'less than' is a relation on positive integers. (Contributed by NM, 8-Feb-1996.) |
Ref | Expression |
---|---|
ltrelpi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-lti 7115 | . 2 | |
2 | inss2 3297 | . 2 | |
3 | 1, 2 | eqsstri 3129 | 1 |
Colors of variables: wff set class |
Syntax hints: cin 3070 wss 3071 cep 4209 cxp 4537 cnpi 7080 clti 7083 |
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-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-v 2688 df-in 3077 df-ss 3084 df-lti 7115 |
This theorem is referenced by: ltsonq 7206 caucvgprlemk 7473 caucvgprlem1 7487 caucvgprlem2 7488 caucvgprprlemk 7491 caucvgprprlemval 7496 caucvgprprlem1 7517 caucvgprprlem2 7518 ltrenn 7663 |
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