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Related theorems GIF version |
| Description: Positive fraction 'less than' is a relation on positive fractions. |
| Ref | Expression |
|---|---|
| ltrelpq | ⊢ <Q ⊆ (Q × Q) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ltq 3836 | . 2 ⊢ <Q = {〈x, y〉∣((x ∈ Q ∧ y ∈ Q) ∧ ∃z∃w∃v∃u((x = [〈z, w〉] ~Q ∧ y = [〈v, u〉] ~Q ) ∧ (z ·N u) <N (w ·N v)))} | |
| 2 | opabssxp 2468 | . 2 ⊢ {〈x, y〉∣((x ∈ Q ∧ y ∈ Q) ∧ ∃z∃w∃v∃u((x = [〈z, w〉] ~Q ∧ y = [〈v, u〉] ~Q ) ∧ (z ·N u) <N (w ·N v)))} ⊆ (Q × Q) | |
| 3 | 1, 2 | eqsstr 1530 | 1 ⊢ <Q ⊆ (Q × Q) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 196 ∃wex 678 = wceq 1091 ∈ wcel 1092 ⊆ wss 1487 〈cop 1810 class class class wbr 2054 {copab 2055 × cxp 2408 (class class class)co 3001 [cec 3198 ·N cmi 3768 <N clti 3769 ~Q ceq 3772 Qcnq 3773 <Q cltq 3778 |
| This theorem is referenced by: ordpipq 3850 ltapq 3870 ltmpq 3871 ltbtwnpq 3878 ltrpq 3879 prcdpq 3891 prnmadd 3894 genpcd 3903 1pr 3911 1idpr 3927 prlem934 3933 ltexprlem4 3939 prlem936 3949 reclem2pr 3951 reclem3pr 3952 reclem4pr 3953 |
| 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-ltq 3836 |