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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 7671 | . 2 | |
2 | opabssxp 4678 | . 2 | |
3 | 1, 2 | eqsstri 3174 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1343 wex 1480 wcel 2136 wss 3116 cop 3579 class class class wbr 3982 copab 4042 cxp 4602 (class class class)co 5842 cec 6499 cpp 7234 cltp 7236 cer 7237 cnr 7238 cltr 7244 |
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 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 |
This theorem depends on definitions: df-bi 116 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-in 3122 df-ss 3129 df-opab 4044 df-xp 4610 df-ltr 7671 |
This theorem is referenced by: gt0srpr 7689 recexgt0sr 7714 addgt0sr 7716 mulgt0sr 7719 caucvgsrlemcl 7730 caucvgsrlemasr 7731 caucvgsrlemfv 7732 map2psrprg 7746 suplocsrlemb 7747 suplocsrlempr 7748 suplocsrlem 7749 suplocsr 7750 ltresr 7780 axpre-ltirr 7823 axpre-lttrn 7825 |
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