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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 6815 | . 2 | |
2 | opabssxp 4414 | . 2 | |
3 | 1, 2 | eqsstri 2975 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 97 wceq 1243 wex 1381 wcel 1393 wss 2917 cop 3378 class class class wbr 3764 copab 3817 cxp 4343 (class class class)co 5512 cec 6104 cpp 6391 cltp 6393 cer 6394 cnr 6395 cltr 6401 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-in 2924 df-ss 2931 df-opab 3819 df-xp 4351 df-ltr 6815 |
This theorem is referenced by: gt0srpr 6833 recexgt0sr 6858 addgt0sr 6860 mulgt0sr 6862 caucvgsrlemcl 6873 caucvgsrlemasr 6874 caucvgsrlemfv 6875 ltresr 6915 axpre-ltirr 6956 axpre-lttrn 6958 |
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