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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 11014 | . 2 ⊢ +P = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦 +Q 𝑧)}) | |
2 | addclnq 10976 | . 2 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦 +Q 𝑧) ∈ Q) | |
3 | ltanq 11002 | . 2 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔))) | |
4 | addcomnq 10982 | . 2 ⊢ (𝑥 +Q 𝑦) = (𝑦 +Q 𝑥) | |
5 | addclprlem2 11048 | . 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 11039 | 1 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴 +P 𝐵) ∈ P) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 ∈ wcel 2098 (class class class)co 7426 +Q cplq 10886 Pcnp 10890 +P cpp 10892 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2699 ax-sep 5303 ax-nul 5310 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-inf2 9672 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-ral 3059 df-rex 3068 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4327 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4913 df-iun 5002 df-br 5153 df-opab 5215 df-mpt 5236 df-tr 5270 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6310 df-ord 6377 df-on 6378 df-lim 6379 df-suc 6380 df-iota 6505 df-fun 6555 df-fn 6556 df-f 6557 df-f1 6558 df-fo 6559 df-f1o 6560 df-fv 6561 df-ov 7429 df-oprab 7430 df-mpo 7431 df-om 7877 df-1st 7999 df-2nd 8000 df-frecs 8293 df-wrecs 8324 df-recs 8398 df-rdg 8437 df-1o 8493 df-oadd 8497 df-omul 8498 df-er 8731 df-ni 10903 df-pli 10904 df-mi 10905 df-lti 10906 df-plpq 10939 df-mpq 10940 df-ltpq 10941 df-enq 10942 df-nq 10943 df-erq 10944 df-plq 10945 df-mq 10946 df-1nq 10947 df-rq 10948 df-ltnq 10949 df-np 11012 df-plp 11014 |
This theorem is referenced by: addasspr 11053 distrlem1pr 11056 distrlem4pr 11057 ltaddpr 11065 ltexprlem7 11073 ltaprlem 11075 ltapr 11076 addcanpr 11077 enrer 11094 addcmpblnr 11100 mulcmpblnr 11102 ltsrpr 11108 1sr 11112 m1r 11113 addclsr 11114 mulclsr 11115 addasssr 11119 mulasssr 11121 distrsr 11122 m1p1sr 11123 m1m1sr 11124 ltsosr 11125 0lt1sr 11126 0idsr 11128 1idsr 11129 00sr 11130 ltasr 11131 recexsrlem 11134 mulgt0sr 11136 mappsrpr 11139 |
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