| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > dmplp | Structured version Visualization version GIF version | ||
| Description: Domain of addition on positive reals. (Contributed by NM, 18-Nov-1995.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| dmplp | ⊢ dom +P = (P × P) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-plp 10992 | . 2 ⊢ +P = (𝑥 ∈ P, 𝑦 ∈ P ↦ {𝑧 ∣ ∃𝑢 ∈ 𝑥 ∃𝑣 ∈ 𝑦 𝑧 = (𝑢 +Q 𝑣)}) | |
| 2 | addclnq 10954 | . 2 ⊢ ((𝑢 ∈ Q ∧ 𝑣 ∈ Q) → (𝑢 +Q 𝑣) ∈ Q) | |
| 3 | 1, 2 | genpdm 11011 | 1 ⊢ dom +P = (P × P) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 × cxp 5653 dom cdm 5655 +Q cplq 10864 Pcnp 10868 +P cpp 10870 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-inf2 9620 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-oadd 8459 df-omul 8460 df-er 8696 df-ni 10881 df-pli 10882 df-mi 10883 df-lti 10884 df-plpq 10917 df-enq 10920 df-nq 10921 df-erq 10922 df-plq 10923 df-1nq 10925 df-np 10990 df-plp 10992 |
| This theorem is used by: addcompr 11030 addasspr 11031 distrpr 11037 ltaddpr2 11044 ltapr 11054 addcanpr 11055 ltsrpr 11086 ltsosr 11103 mappsrpr 11117 |
| Copyright terms: Public domain | W3C validator |