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| 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 10983 | . 2 ⊢ +P = (𝑥 ∈ P, 𝑦 ∈ P ↦ {𝑧 ∣ ∃𝑢 ∈ 𝑥 ∃𝑣 ∈ 𝑦 𝑧 = (𝑢 +Q 𝑣)}) | |
| 2 | addclnq 10945 | . 2 ⊢ ((𝑢 ∈ Q ∧ 𝑣 ∈ Q) → (𝑢 +Q 𝑣) ∈ Q) | |
| 3 | 1, 2 | genpdm 11002 | 1 ⊢ dom +P = (P × P) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 × cxp 5661 dom cdm 5663 +Q cplq 10855 Pcnp 10859 +P cpp 10861 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-inf2 9617 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-oadd 8463 df-omul 8464 df-er 8700 df-ni 10872 df-pli 10873 df-mi 10874 df-lti 10875 df-plpq 10908 df-enq 10911 df-nq 10912 df-erq 10913 df-plq 10914 df-1nq 10916 df-np 10981 df-plp 10983 |
| This theorem is used by: addcompr 11021 addasspr 11022 distrpr 11028 ltaddpr2 11035 ltapr 11045 addcanpr 11046 ltsrpr 11077 ltsosr 11094 mappsrpr 11108 |
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