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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 11069 | . 2 ⊢ +P = (𝑤 ∈ P, 𝑣 ∈ P ↦ {𝑥 ∣ ∃𝑦 ∈ 𝑤 ∃𝑧 ∈ 𝑣 𝑥 = (𝑦 +Q 𝑧)}) | |
| 2 | addclnq 11031 | . 2 ⊢ ((𝑦 ∈ Q ∧ 𝑧 ∈ Q) → (𝑦 +Q 𝑧) ∈ Q) | |
| 3 | ltanq 11057 | . 2 ⊢ (ℎ ∈ Q → (𝑓 <Q 𝑔 ↔ (ℎ +Q 𝑓) <Q (ℎ +Q 𝑔))) | |
| 4 | addcomnq 11037 | . 2 ⊢ (𝑥 +Q 𝑦) = (𝑦 +Q 𝑥) | |
| 5 | addclprlem2 11103 | . 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 11094 | 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 2144 (class class class)co 7420 +Q cplq 10941 Pcnp 10945 +P cpp 10947 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-inf2 9643 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8300 df-wrecs 8331 df-recs 8380 df-rdg 8419 df-1o 8477 df-oadd 8481 df-omul 8482 df-er 8718 df-ni 10958 df-pli 10959 df-mi 10960 df-lti 10961 df-plpq 10994 df-mpq 10995 df-ltpq 10996 df-enq 10997 df-nq 10998 df-erq 10999 df-plq 11000 df-mq 11001 df-1nq 11002 df-rq 11003 df-ltnq 11004 df-np 11067 df-plp 11069 |
| This theorem is used by: addasspr 11108 distrlem1pr 11111 distrlem4pr 11112 ltaddpr 11120 ltexprlem7 11128 ltaprlem 11130 ltapr 11131 addcanpr 11132 enrer 11149 addcmpblnr 11155 mulcmpblnr 11157 ltsrpr 11163 1sr 11167 m1r 11168 addclsr 11169 mulclsr 11170 addasssr 11174 mulasssr 11176 distrsr 11177 m1p1sr 11178 m1m1sr 11179 ltsosr 11180 0lt1sr 11181 0idsr 11183 1idsr 11184 00sr 11185 ltasr 11186 recexsrlem 11189 mulgt0sr 11191 mappsrpr 11194 |
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