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Mirrors > Home > ILE Home > Th. List > ltrelsr | Unicode version |
Description: Signed real 'less than' is a relation on signed reals. (Contributed by NM, 14-Feb-1996.) |
Ref | Expression |
---|---|
ltrelsr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ltr 6907 | . 2 | |
2 | opabssxp 4432 | . 2 | |
3 | 1, 2 | eqsstri 3029 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 102 wceq 1284 wex 1421 wcel 1433 wss 2973 cop 3401 class class class wbr 3785 copab 3838 cxp 4361 (class class class)co 5532 cec 6127 cpp 6483 cltp 6485 cer 6486 cnr 6487 cltr 6493 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-in 2979 df-ss 2986 df-opab 3840 df-xp 4369 df-ltr 6907 |
This theorem is referenced by: gt0srpr 6925 recexgt0sr 6950 addgt0sr 6952 mulgt0sr 6954 caucvgsrlemcl 6965 caucvgsrlemasr 6966 caucvgsrlemfv 6967 ltresr 7007 axpre-ltirr 7048 axpre-lttrn 7050 |
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