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| Mirrors > Home > MPE Home > Th. List > addclpr | Structured version Visualization version GIF version | ||
| Description: Closure of addition on positive reals. First statement of Proposition 9-3.5 of [Gleason] p. 123. (Contributed by NM, 13-Mar-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| addclpr | ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴 +P 𝐵) ∈ P) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-plp 11107 | . 2 ⊢ +P = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦 +Q 𝑧)}) | |
| 2 | addclnq 11069 | . 2 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦 +Q 𝑧) ∈ Q) | |
| 3 | ltanq 11095 | . 2 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔))) | |
| 4 | addcomnq 11075 | . 2 ⊢ (𝑥 +Q 𝑦) = (𝑦 +Q 𝑥) | |
| 5 | addclprlem2 11141 | . 2 ⊢ ((((𝐴 ∈ P ∧ 𝑔 ∈ 𝐴) ∧ (𝐵 ∈ P ∧ ℎ ∈ 𝐵)) ∧ 𝑥 ∈ Q) → (𝑥 <Q (𝑔 +Q ℎ) → 𝑥 ∈ (𝐴 +P 𝐵))) | |
| 6 | 1, 2, 3, 4, 5 | genpcl 11132 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴 +P 𝐵) ∈ P) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 (class class class)co 7451 +Q cplq 10979 Pcnp 10983 +P cpp 10985 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-inf2 9679 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-oadd 8518 df-omul 8519 df-er 8755 df-ni 10996 df-pli 10997 df-mi 10998 df-lti 10999 df-plpq 11032 df-mpq 11033 df-ltpq 11034 df-enq 11035 df-nq 11036 df-erq 11037 df-plq 11038 df-mq 11039 df-1nq 11040 df-rq 11041 df-ltnq 11042 df-np 11105 df-plp 11107 |
| This theorem is used by: addasspr 11146 distrlem1pr 11149 distrlem4pr 11150 ltaddpr 11158 ltexprlem7 11166 ltaprlem 11168 ltapr 11169 addcanpr 11170 enrer 11187 addcmpblnr 11193 mulcmpblnr 11195 ltsrpr 11201 1sr 11205 m1r 11206 addclsr 11207 mulclsr 11208 addasssr 11212 mulasssr 11214 distrsr 11215 m1p1sr 11216 m1m1sr 11217 ltsosr 11218 0lt1sr 11219 0idsr 11221 1idsr 11222 00sr 11223 ltasr 11224 recexsrlem 11227 mulgt0sr 11229 mappsrpr 11232 |
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