![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > ltrelsr | GIF version |
Description: Signed real 'less than' is a relation on signed reals. (Contributed by NM, 14-Feb-1996.) |
Ref | Expression |
---|---|
ltrelsr | ⊢ <R ⊆ (R × R) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ltr 7562 | . 2 ⊢ <R = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ R ∧ 𝑦 ∈ R) ∧ ∃𝑧∃𝑤∃𝑣∃𝑢((𝑥 = [〈𝑧, 𝑤〉] ~R ∧ 𝑦 = [〈𝑣, 𝑢〉] ~R ) ∧ (𝑧 +P 𝑢)<P (𝑤 +P 𝑣)))} | |
2 | opabssxp 4621 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ R ∧ 𝑦 ∈ R) ∧ ∃𝑧∃𝑤∃𝑣∃𝑢((𝑥 = [〈𝑧, 𝑤〉] ~R ∧ 𝑦 = [〈𝑣, 𝑢〉] ~R ) ∧ (𝑧 +P 𝑢)<P (𝑤 +P 𝑣)))} ⊆ (R × R) | |
3 | 1, 2 | eqsstri 3134 | 1 ⊢ <R ⊆ (R × R) |
Colors of variables: wff set class |
Syntax hints: ∧ wa 103 = wceq 1332 ∃wex 1469 ∈ wcel 1481 ⊆ wss 3076 〈cop 3535 class class class wbr 3937 {copab 3996 × cxp 4545 (class class class)co 5782 [cec 6435 +P cpp 7125 <P cltp 7127 ~R cer 7128 Rcnr 7129 <R cltr 7135 |
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 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-in 3082 df-ss 3089 df-opab 3998 df-xp 4553 df-ltr 7562 |
This theorem is referenced by: gt0srpr 7580 recexgt0sr 7605 addgt0sr 7607 mulgt0sr 7610 caucvgsrlemcl 7621 caucvgsrlemasr 7622 caucvgsrlemfv 7623 map2psrprg 7637 suplocsrlemb 7638 suplocsrlempr 7639 suplocsrlem 7640 suplocsr 7641 ltresr 7671 axpre-ltirr 7714 axpre-lttrn 7716 |
Copyright terms: Public domain | W3C validator |