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Theorem prplnqu 7452
Description: Membership in the upper cut of a sum of a positive real and a fraction. (Contributed by Jim Kingdon, 16-Jun-2021.)
Hypotheses
Ref Expression
prplnqu.x (𝜑𝑋P)
prplnqu.q (𝜑𝑄Q)
prplnqu.sum (𝜑𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)))
Assertion
Ref Expression
prplnqu (𝜑 → ∃𝑦 ∈ (2nd𝑋)(𝑦 +Q 𝑄) = 𝐴)
Distinct variable groups:   𝐴,𝑙,𝑢   𝑦,𝐴   𝑄,𝑙,𝑢   𝑦,𝑄   𝑦,𝑋
Allowed substitution hints:   𝜑(𝑦,𝑢,𝑙)   𝑋(𝑢,𝑙)

Proof of Theorem prplnqu
Dummy variables 𝑓 𝑔 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 prplnqu.q . . . . . . . 8 (𝜑𝑄Q)
2 nqprlu 7379 . . . . . . . 8 (𝑄Q → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P)
31, 2syl 14 . . . . . . 7 (𝜑 → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P)
4 prplnqu.x . . . . . . 7 (𝜑𝑋P)
5 ltaddpr 7429 . . . . . . 7 ((⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P𝑋P) → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P (⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ +P 𝑋))
63, 4, 5syl2anc 409 . . . . . 6 (𝜑 → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P (⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ +P 𝑋))
7 addcomprg 7410 . . . . . . 7 ((⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P𝑋P) → (⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ +P 𝑋) = (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
83, 4, 7syl2anc 409 . . . . . 6 (𝜑 → (⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ +P 𝑋) = (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
96, 8breqtrd 3962 . . . . 5 (𝜑 → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
10 prplnqu.sum . . . . . 6 (𝜑𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)))
11 addclpr 7369 . . . . . . . . 9 ((𝑋P ∧ ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P) → (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∈ P)
124, 3, 11syl2anc 409 . . . . . . . 8 (𝜑 → (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∈ P)
13 prop 7307 . . . . . . . . 9 ((𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∈ P → ⟨(1st ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)), (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))⟩ ∈ P)
14 elprnqu 7314 . . . . . . . . 9 ((⟨(1st ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)), (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))⟩ ∈ P𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))) → 𝐴Q)
1513, 14sylan 281 . . . . . . . 8 (((𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∈ P𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))) → 𝐴Q)
1612, 10, 15syl2anc 409 . . . . . . 7 (𝜑𝐴Q)
17 nqpru 7384 . . . . . . 7 ((𝐴Q ∧ (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∈ P) → (𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)) ↔ (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩))
1816, 12, 17syl2anc 409 . . . . . 6 (𝜑 → (𝐴 ∈ (2nd ‘(𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)) ↔ (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩))
1910, 18mpbid 146 . . . . 5 (𝜑 → (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
20 ltsopr 7428 . . . . . 6 <P Or P
21 ltrelpr 7337 . . . . . 6 <P ⊆ (P × P)
2220, 21sotri 4942 . . . . 5 ((⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩) ∧ (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩) → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
239, 19, 22syl2anc 409 . . . 4 (𝜑 → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
24 ltnqpr 7425 . . . . 5 ((𝑄Q𝐴Q) → (𝑄 <Q 𝐴 ↔ ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩))
251, 16, 24syl2anc 409 . . . 4 (𝜑 → (𝑄 <Q 𝐴 ↔ ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩))
2623, 25mpbird 166 . . 3 (𝜑𝑄 <Q 𝐴)
27 ltexnqi 7241 . . 3 (𝑄 <Q 𝐴 → ∃𝑧Q (𝑄 +Q 𝑧) = 𝐴)
2826, 27syl 14 . 2 (𝜑 → ∃𝑧Q (𝑄 +Q 𝑧) = 𝐴)
2919adantr 274 . . . . . 6 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
301adantr 274 . . . . . . . . . 10 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → 𝑄Q)
31 simprl 521 . . . . . . . . . 10 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → 𝑧Q)
32 addcomnqg 7213 . . . . . . . . . 10 ((𝑄Q𝑧Q) → (𝑄 +Q 𝑧) = (𝑧 +Q 𝑄))
3330, 31, 32syl2anc 409 . . . . . . . . 9 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑄 +Q 𝑧) = (𝑧 +Q 𝑄))
34 simprr 522 . . . . . . . . 9 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑄 +Q 𝑧) = 𝐴)
3533, 34eqtr3d 2175 . . . . . . . 8 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑧 +Q 𝑄) = 𝐴)
36 breq2 3941 . . . . . . . . . 10 ((𝑧 +Q 𝑄) = 𝐴 → (𝑙 <Q (𝑧 +Q 𝑄) ↔ 𝑙 <Q 𝐴))
3736abbidv 2258 . . . . . . . . 9 ((𝑧 +Q 𝑄) = 𝐴 → {𝑙𝑙 <Q (𝑧 +Q 𝑄)} = {𝑙𝑙 <Q 𝐴})
38 breq1 3940 . . . . . . . . . 10 ((𝑧 +Q 𝑄) = 𝐴 → ((𝑧 +Q 𝑄) <Q 𝑢𝐴 <Q 𝑢))
3938abbidv 2258 . . . . . . . . 9 ((𝑧 +Q 𝑄) = 𝐴 → {𝑢 ∣ (𝑧 +Q 𝑄) <Q 𝑢} = {𝑢𝐴 <Q 𝑢})
4037, 39opeq12d 3721 . . . . . . . 8 ((𝑧 +Q 𝑄) = 𝐴 → ⟨{𝑙𝑙 <Q (𝑧 +Q 𝑄)}, {𝑢 ∣ (𝑧 +Q 𝑄) <Q 𝑢}⟩ = ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
4135, 40syl 14 . . . . . . 7 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ⟨{𝑙𝑙 <Q (𝑧 +Q 𝑄)}, {𝑢 ∣ (𝑧 +Q 𝑄) <Q 𝑢}⟩ = ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩)
42 addnqpr 7393 . . . . . . . 8 ((𝑧Q𝑄Q) → ⟨{𝑙𝑙 <Q (𝑧 +Q 𝑄)}, {𝑢 ∣ (𝑧 +Q 𝑄) <Q 𝑢}⟩ = (⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
4331, 30, 42syl2anc 409 . . . . . . 7 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ⟨{𝑙𝑙 <Q (𝑧 +Q 𝑄)}, {𝑢 ∣ (𝑧 +Q 𝑄) <Q 𝑢}⟩ = (⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
4441, 43eqtr3d 2175 . . . . . 6 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ⟨{𝑙𝑙 <Q 𝐴}, {𝑢𝐴 <Q 𝑢}⟩ = (⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
4529, 44breqtrd 3962 . . . . 5 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P (⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩))
46 ltaprg 7451 . . . . . . 7 ((𝑓P𝑔PP) → (𝑓<P 𝑔 ↔ ( +P 𝑓)<P ( +P 𝑔)))
4746adantl 275 . . . . . 6 (((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) ∧ (𝑓P𝑔PP)) → (𝑓<P 𝑔 ↔ ( +P 𝑓)<P ( +P 𝑔)))
484adantr 274 . . . . . 6 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → 𝑋P)
49 nqprlu 7379 . . . . . . 7 (𝑧Q → ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ ∈ P)
5031, 49syl 14 . . . . . 6 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ ∈ P)
5130, 2syl 14 . . . . . 6 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩ ∈ P)
52 addcomprg 7410 . . . . . . 7 ((𝑓P𝑔P) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓))
5352adantl 275 . . . . . 6 (((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) ∧ (𝑓P𝑔P)) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓))
5447, 48, 50, 51, 53caovord2d 5948 . . . . 5 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑋<P ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ ↔ (𝑋 +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)<P (⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩ +P ⟨{𝑙𝑙 <Q 𝑄}, {𝑢𝑄 <Q 𝑢}⟩)))
5545, 54mpbird 166 . . . 4 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → 𝑋<P ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩)
56 nqpru 7384 . . . . 5 ((𝑧Q𝑋P) → (𝑧 ∈ (2nd𝑋) ↔ 𝑋<P ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩))
5731, 48, 56syl2anc 409 . . . 4 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → (𝑧 ∈ (2nd𝑋) ↔ 𝑋<P ⟨{𝑙𝑙 <Q 𝑧}, {𝑢𝑧 <Q 𝑢}⟩))
5855, 57mpbird 166 . . 3 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → 𝑧 ∈ (2nd𝑋))
59 oveq1 5789 . . . . 5 (𝑦 = 𝑧 → (𝑦 +Q 𝑄) = (𝑧 +Q 𝑄))
6059eqeq1d 2149 . . . 4 (𝑦 = 𝑧 → ((𝑦 +Q 𝑄) = 𝐴 ↔ (𝑧 +Q 𝑄) = 𝐴))
6160rspcev 2793 . . 3 ((𝑧 ∈ (2nd𝑋) ∧ (𝑧 +Q 𝑄) = 𝐴) → ∃𝑦 ∈ (2nd𝑋)(𝑦 +Q 𝑄) = 𝐴)
6258, 35, 61syl2anc 409 . 2 ((𝜑 ∧ (𝑧Q ∧ (𝑄 +Q 𝑧) = 𝐴)) → ∃𝑦 ∈ (2nd𝑋)(𝑦 +Q 𝑄) = 𝐴)
6328, 62rexlimddv 2557 1 (𝜑 → ∃𝑦 ∈ (2nd𝑋)(𝑦 +Q 𝑄) = 𝐴)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103  wb 104  w3a 963   = wceq 1332  wcel 1481  {cab 2126  wrex 2418  cop 3535   class class class wbr 3937  cfv 5131  (class class class)co 5782  1st c1st 6044  2nd c2nd 6045  Qcnq 7112   +Q cplq 7114   <Q cltq 7117  Pcnp 7123   +P cpp 7125  <P cltp 7127
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-13 1492  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-coll 4051  ax-sep 4054  ax-nul 4062  ax-pow 4106  ax-pr 4139  ax-un 4363  ax-setind 4460  ax-iinf 4510
This theorem depends on definitions:  df-bi 116  df-dc 821  df-3or 964  df-3an 965  df-tru 1335  df-fal 1338  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ne 2310  df-ral 2422  df-rex 2423  df-reu 2424  df-rab 2426  df-v 2691  df-sbc 2914  df-csb 3008  df-dif 3078  df-un 3080  df-in 3082  df-ss 3089  df-nul 3369  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-int 3780  df-iun 3823  df-br 3938  df-opab 3998  df-mpt 3999  df-tr 4035  df-eprel 4219  df-id 4223  df-po 4226  df-iso 4227  df-iord 4296  df-on 4298  df-suc 4301  df-iom 4513  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-res 4559  df-ima 4560  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-f1 5136  df-fo 5137  df-f1o 5138  df-fv 5139  df-ov 5785  df-oprab 5786  df-mpo 5787  df-1st 6046  df-2nd 6047  df-recs 6210  df-irdg 6275  df-1o 6321  df-2o 6322  df-oadd 6325  df-omul 6326  df-er 6437  df-ec 6439  df-qs 6443  df-ni 7136  df-pli 7137  df-mi 7138  df-lti 7139  df-plpq 7176  df-mpq 7177  df-enq 7179  df-nqqs 7180  df-plqqs 7181  df-mqqs 7182  df-1nqqs 7183  df-rq 7184  df-ltnqqs 7185  df-enq0 7256  df-nq0 7257  df-0nq0 7258  df-plq0 7259  df-mq0 7260  df-inp 7298  df-iplp 7300  df-iltp 7302
This theorem is referenced by:  caucvgprprlemexbt  7538
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