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Mirrors > Home > MPE Home > Th. List > ltrelsr | Structured version Visualization version Unicode version |
Description: Signed real 'less than' is a relation on signed reals. (Contributed by NM, 14-Feb-1996.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ltrelsr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ltr 9881 | . 2 | |
2 | opabssxp 5193 | . 2 | |
3 | 1, 2 | eqsstri 3635 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wa 384 wceq 1483 wex 1704 wcel 1990 wss 3574 cop 4183 class class class wbr 4653 copab 4712 cxp 5112 (class class class)co 6650 cec 7740 cpp 9683 cltp 9685 cer 9686 cnr 9687 cltr 9693 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-in 3581 df-ss 3588 df-opab 4713 df-xp 5120 df-ltr 9881 |
This theorem is referenced by: ltsrpr 9898 ltasr 9921 recexsrlem 9924 addgt0sr 9925 mulgt0sr 9926 map2psrpr 9931 supsrlem 9932 supsr 9933 ltresr 9961 axpre-lttrn 9987 |
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