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Related theorems GIF version |
| Description: Domain of addition on positive reals. |
| Ref | Expression |
|---|---|
| dmplp | ⊢ dom +P = (P × P) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-plp 3882 | . 2 ⊢ +P = {〈〈x, y〉, z〉∣((x ∈ P ∧ y ∈ P) ∧ z = {w∣∃v ∈ x ∃u ∈ y w = (v +Q u)})} | |
| 2 | 1 | genpdm 3899 | 1 ⊢ dom +P = (P × P) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1091 × cxp 2408 dom cdm 2410 +Q cplq 3775 Pcnp 3779 +P cpp 3781 |
| This theorem is referenced by: addcompr 3917 addasspr 3918 distrpr 3926 ltaddpr2 3935 ltexpri 3943 ltapr 3945 addcanpr 3946 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-un 1076 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ral 1205 df-rex 1206 df-rab 1208 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-uni 1920 df-br 2063 df-opab 2098 df-id 2125 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fv 2438 df-opr 3003 df-oprab 3004 df-plp 3882 |