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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 10895 | . 2 ⊢ +P = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦 +Q 𝑧)}) | |
| 2 | addclnq 10857 | . 2 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦 +Q 𝑧) ∈ Q) | |
| 3 | ltanq 10883 | . 2 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔))) | |
| 4 | addcomnq 10863 | . 2 ⊢ (𝑥 +Q 𝑦) = (𝑦 +Q 𝑥) | |
| 5 | addclprlem2 10929 | . 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 10920 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴 +P 𝐵) ∈ P) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 (class class class)co 7358 +Q cplq 10767 Pcnp 10771 +P cpp 10773 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-inf2 9551 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-oadd 8400 df-omul 8401 df-er 8634 df-ni 10784 df-pli 10785 df-mi 10786 df-lti 10787 df-plpq 10820 df-mpq 10821 df-ltpq 10822 df-enq 10823 df-nq 10824 df-erq 10825 df-plq 10826 df-mq 10827 df-1nq 10828 df-rq 10829 df-ltnq 10830 df-np 10893 df-plp 10895 |
| This theorem is referenced by: addasspr 10934 distrlem1pr 10937 distrlem4pr 10938 ltaddpr 10946 ltexprlem7 10954 ltaprlem 10956 ltapr 10957 addcanpr 10958 enrer 10975 addcmpblnr 10981 mulcmpblnr 10983 ltsrpr 10989 1sr 10993 m1r 10994 addclsr 10995 mulclsr 10996 addasssr 11000 mulasssr 11002 distrsr 11003 m1p1sr 11004 m1m1sr 11005 ltsosr 11006 0lt1sr 11007 0idsr 11009 1idsr 11010 00sr 11011 ltasr 11012 recexsrlem 11015 mulgt0sr 11017 mappsrpr 11020 |
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