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Related theorems GIF version |
| Description: Positive real 'less than' is a relation on positive reals. |
| Ref | Expression |
|---|---|
| ltrelpr | ⊢ <P ⊆ (P × P) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ltp 3884 | . 2 ⊢ <P = {〈x, y〉∣((x ∈ P ∧ y ∈ P) ∧ x ⊂ y)} | |
| 2 | opabssxp 2468 | . 2 ⊢ {〈x, y〉∣((x ∈ P ∧ y ∈ P) ∧ x ⊂ y)} ⊆ (P × P) | |
| 3 | 1, 2 | eqsstr 1530 | 1 ⊢ <P ⊆ (P × P) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 196 ∈ wcel 1092 ⊆ wss 1487 ⊂ wpss 1488 {copab 2055 × cxp 2408 Pcnp 3779 <P cltp 3783 |
| This theorem is referenced by: ltexpri 3943 ltaprlem 3944 ltapr 3945 suplem1pr 3955 suplem2pr 3956 ltsrpr 3980 ltsosr 3997 mappsrpr 4012 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-opab 2098 df-xp 2424 df-ltp 3884 |