Intuitionistic Logic Explorer < Previous   Next > Nearby theorems Mirrors  >  Home  >  ILE Home  >  Th. List  >  cauappcvgprlemladdfu GIF version

 Description: Lemma for cauappcvgprlemladd 6756. The forward subset relationship for the upper cut. (Contributed by Jim Kingdon, 11-Jul-2020.)
Hypotheses
Ref Expression
cauappcvgpr.f (𝜑𝐹:QQ)
cauappcvgpr.app (𝜑 → ∀𝑝Q𝑞Q ((𝐹𝑝) <Q ((𝐹𝑞) +Q (𝑝 +Q 𝑞)) ∧ (𝐹𝑞) <Q ((𝐹𝑝) +Q (𝑝 +Q 𝑞))))
cauappcvgpr.bnd (𝜑 → ∀𝑝Q 𝐴 <Q (𝐹𝑝))
cauappcvgpr.lim 𝐿 = ⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q (𝐹𝑞)}, {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}⟩
Assertion
Ref Expression
cauappcvgprlemladdfu (𝜑 → (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) ⊆ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩))
Distinct variable groups:   𝐴,𝑝   𝐿,𝑝,𝑞   𝜑,𝑝,𝑞   𝐹,𝑙,𝑢,𝑝,𝑞   𝑆,𝑙,𝑞,𝑢
Allowed substitution hints:   𝜑(𝑢,𝑙)   𝐴(𝑢,𝑞,𝑙)   𝑆(𝑝)   𝐿(𝑢,𝑙)

Proof of Theorem cauappcvgprlemladdfu
Dummy variables 𝑓 𝑔 𝑟 𝑠 𝑡 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 cauappcvgpr.f . . . . . . 7 (𝜑𝐹:QQ)
2 cauappcvgpr.app . . . . . . 7 (𝜑 → ∀𝑝Q𝑞Q ((𝐹𝑝) <Q ((𝐹𝑞) +Q (𝑝 +Q 𝑞)) ∧ (𝐹𝑞) <Q ((𝐹𝑝) +Q (𝑝 +Q 𝑞))))
3 cauappcvgpr.bnd . . . . . . 7 (𝜑 → ∀𝑝Q 𝐴 <Q (𝐹𝑝))
4 cauappcvgpr.lim . . . . . . 7 𝐿 = ⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q (𝐹𝑞)}, {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}⟩
51, 2, 3, 4cauappcvgprlemcl 6751 . . . . . 6 (𝜑𝐿P)
6 cauappcvgprlemladd.s . . . . . . 7 (𝜑𝑆Q)
7 nqprlu 6645 . . . . . . 7 (𝑆Q → ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩ ∈ P)
86, 7syl 14 . . . . . 6 (𝜑 → ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩ ∈ P)
9 df-iplp 6566 . . . . . . 7 +P = (𝑥P, 𝑦P ↦ ⟨{𝑓Q ∣ ∃𝑔QQ (𝑔 ∈ (1st𝑥) ∧ ∈ (1st𝑦) ∧ 𝑓 = (𝑔 +Q ))}, {𝑓Q ∣ ∃𝑔QQ (𝑔 ∈ (2nd𝑥) ∧ ∈ (2nd𝑦) ∧ 𝑓 = (𝑔 +Q ))}⟩)
10 addclnq 6473 . . . . . . 7 ((𝑔QQ) → (𝑔 +Q ) ∈ Q)
119, 10genpelvu 6611 . . . . . 6 ((𝐿P ∧ ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩ ∈ P) → (𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) ↔ ∃𝑠 ∈ (2nd𝐿)∃𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)𝑟 = (𝑠 +Q 𝑡)))
125, 8, 11syl2anc 391 . . . . 5 (𝜑 → (𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) ↔ ∃𝑠 ∈ (2nd𝐿)∃𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)𝑟 = (𝑠 +Q 𝑡)))
1312biimpa 280 . . . 4 ((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → ∃𝑠 ∈ (2nd𝐿)∃𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)𝑟 = (𝑠 +Q 𝑡))
14 breq2 3768 . . . . . . . . . . . . . . . 16 (𝑢 = 𝑠 → (((𝐹𝑞) +Q 𝑞) <Q 𝑢 ↔ ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
1514rexbidv 2327 . . . . . . . . . . . . . . 15 (𝑢 = 𝑠 → (∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢 ↔ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
164fveq2i 5181 . . . . . . . . . . . . . . . 16 (2nd𝐿) = (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q (𝐹𝑞)}, {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}⟩)
17 nqex 6461 . . . . . . . . . . . . . . . . . 18 Q ∈ V
1817rabex 3901 . . . . . . . . . . . . . . . . 17 {𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q (𝐹𝑞)} ∈ V
1917rabex 3901 . . . . . . . . . . . . . . . . 17 {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢} ∈ V
2018, 19op2nd 5774 . . . . . . . . . . . . . . . 16 (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q (𝐹𝑞)}, {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}⟩) = {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}
2116, 20eqtri 2060 . . . . . . . . . . . . . . 15 (2nd𝐿) = {𝑢Q ∣ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑢}
2215, 21elrab2 2700 . . . . . . . . . . . . . 14 (𝑠 ∈ (2nd𝐿) ↔ (𝑠Q ∧ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
2322biimpi 113 . . . . . . . . . . . . 13 (𝑠 ∈ (2nd𝐿) → (𝑠Q ∧ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
2423adantr 261 . . . . . . . . . . . 12 ((𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) → (𝑠Q ∧ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
2524adantl 262 . . . . . . . . . . 11 (((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → (𝑠Q ∧ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
2625adantr 261 . . . . . . . . . 10 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → (𝑠Q ∧ ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠))
2726simpld 105 . . . . . . . . 9 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → 𝑠Q)
28 vex 2560 . . . . . . . . . . . . . 14 𝑡 ∈ V
29 breq2 3768 . . . . . . . . . . . . . 14 (𝑢 = 𝑡 → (𝑆 <Q 𝑢𝑆 <Q 𝑡))
30 ltnqex 6647 . . . . . . . . . . . . . . 15 {𝑙𝑙 <Q 𝑆} ∈ V
31 gtnqex 6648 . . . . . . . . . . . . . . 15 {𝑢𝑆 <Q 𝑢} ∈ V
3230, 31op2nd 5774 . . . . . . . . . . . . . 14 (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩) = {𝑢𝑆 <Q 𝑢}
3328, 29, 32elab2 2690 . . . . . . . . . . . . 13 (𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩) ↔ 𝑆 <Q 𝑡)
34 ltrelnq 6463 . . . . . . . . . . . . . 14 <Q ⊆ (Q × Q)
3534brel 4392 . . . . . . . . . . . . 13 (𝑆 <Q 𝑡 → (𝑆Q𝑡Q))
3633, 35sylbi 114 . . . . . . . . . . . 12 (𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩) → (𝑆Q𝑡Q))
3736simprd 107 . . . . . . . . . . 11 (𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩) → 𝑡Q)
3837ad2antll 460 . . . . . . . . . 10 (((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → 𝑡Q)
3938adantr 261 . . . . . . . . 9 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → 𝑡Q)
40 addclnq 6473 . . . . . . . . 9 ((𝑠Q𝑡Q) → (𝑠 +Q 𝑡) ∈ Q)
4127, 39, 40syl2anc 391 . . . . . . . 8 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → (𝑠 +Q 𝑡) ∈ Q)
42 eleq1 2100 . . . . . . . . 9 (𝑟 = (𝑠 +Q 𝑡) → (𝑟Q ↔ (𝑠 +Q 𝑡) ∈ Q))
4342adantl 262 . . . . . . . 8 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → (𝑟Q ↔ (𝑠 +Q 𝑡) ∈ Q))
4441, 43mpbird 156 . . . . . . 7 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → 𝑟Q)
4526simprd 107 . . . . . . . 8 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → ∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠)
4633biimpi 113 . . . . . . . . . . . . . . . 16 (𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩) → 𝑆 <Q 𝑡)
4746ad2antll 460 . . . . . . . . . . . . . . 15 (((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → 𝑆 <Q 𝑡)
4847adantr 261 . . . . . . . . . . . . . 14 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → 𝑆 <Q 𝑡)
4948ad2antrr 457 . . . . . . . . . . . . 13 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑆 <Q 𝑡)
506ad5antr 465 . . . . . . . . . . . . . 14 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑆Q)
5139ad2antrr 457 . . . . . . . . . . . . . 14 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑡Q)
521ad5antr 465 . . . . . . . . . . . . . . . 16 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝐹:QQ)
53 simplr 482 . . . . . . . . . . . . . . . 16 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑞Q)
5452, 53ffvelrnd 5303 . . . . . . . . . . . . . . 15 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (𝐹𝑞) ∈ Q)
55 addclnq 6473 . . . . . . . . . . . . . . 15 (((𝐹𝑞) ∈ Q𝑞Q) → ((𝐹𝑞) +Q 𝑞) ∈ Q)
5654, 53, 55syl2anc 391 . . . . . . . . . . . . . 14 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → ((𝐹𝑞) +Q 𝑞) ∈ Q)
57 ltanqg 6498 . . . . . . . . . . . . . 14 ((𝑆Q𝑡Q ∧ ((𝐹𝑞) +Q 𝑞) ∈ Q) → (𝑆 <Q 𝑡 ↔ (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (((𝐹𝑞) +Q 𝑞) +Q 𝑡)))
5850, 51, 56, 57syl3anc 1135 . . . . . . . . . . . . 13 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (𝑆 <Q 𝑡 ↔ (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (((𝐹𝑞) +Q 𝑞) +Q 𝑡)))
5949, 58mpbid 135 . . . . . . . . . . . 12 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (((𝐹𝑞) +Q 𝑞) +Q 𝑡))
60 simpr 103 . . . . . . . . . . . . 13 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → ((𝐹𝑞) +Q 𝑞) <Q 𝑠)
61 ltanqg 6498 . . . . . . . . . . . . . . 15 ((𝑓Q𝑔QQ) → (𝑓 <Q 𝑔 ↔ ( +Q 𝑓) <Q ( +Q 𝑔)))
6261adantl 262 . . . . . . . . . . . . . 14 (((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) ∧ (𝑓Q𝑔QQ)) → (𝑓 <Q 𝑔 ↔ ( +Q 𝑓) <Q ( +Q 𝑔)))
6327ad2antrr 457 . . . . . . . . . . . . . 14 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑠Q)
64 addcomnqg 6479 . . . . . . . . . . . . . . 15 ((𝑓Q𝑔Q) → (𝑓 +Q 𝑔) = (𝑔 +Q 𝑓))
6564adantl 262 . . . . . . . . . . . . . 14 (((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) ∧ (𝑓Q𝑔Q)) → (𝑓 +Q 𝑔) = (𝑔 +Q 𝑓))
6662, 56, 63, 51, 65caovord2d 5670 . . . . . . . . . . . . 13 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (((𝐹𝑞) +Q 𝑞) <Q 𝑠 ↔ (((𝐹𝑞) +Q 𝑞) +Q 𝑡) <Q (𝑠 +Q 𝑡)))
6760, 66mpbid 135 . . . . . . . . . . . 12 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (((𝐹𝑞) +Q 𝑞) +Q 𝑡) <Q (𝑠 +Q 𝑡))
68 ltsonq 6496 . . . . . . . . . . . . 13 <Q Or Q
6968, 34sotri 4720 . . . . . . . . . . . 12 (((((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (((𝐹𝑞) +Q 𝑞) +Q 𝑡) ∧ (((𝐹𝑞) +Q 𝑞) +Q 𝑡) <Q (𝑠 +Q 𝑡)) → (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (𝑠 +Q 𝑡))
7059, 67, 69syl2anc 391 . . . . . . . . . . 11 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q (𝑠 +Q 𝑡))
71 simpllr 486 . . . . . . . . . . 11 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → 𝑟 = (𝑠 +Q 𝑡))
7270, 71breqtrrd 3790 . . . . . . . . . 10 ((((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) ∧ ((𝐹𝑞) +Q 𝑞) <Q 𝑠) → (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟)
7372ex 108 . . . . . . . . 9 (((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) ∧ 𝑞Q) → (((𝐹𝑞) +Q 𝑞) <Q 𝑠 → (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟))
7473reximdva 2421 . . . . . . . 8 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → (∃𝑞Q ((𝐹𝑞) +Q 𝑞) <Q 𝑠 → ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟))
7545, 74mpd 13 . . . . . . 7 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟)
76 breq2 3768 . . . . . . . . 9 (𝑢 = 𝑟 → ((((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢 ↔ (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟))
7776rexbidv 2327 . . . . . . . 8 (𝑢 = 𝑟 → (∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢 ↔ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟))
7817rabex 3901 . . . . . . . . 9 {𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)} ∈ V
7917rabex 3901 . . . . . . . . 9 {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢} ∈ V
8078, 79op2nd 5774 . . . . . . . 8 (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩) = {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}
8177, 80elrab2 2700 . . . . . . 7 (𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩) ↔ (𝑟Q ∧ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑟))
8244, 75, 81sylanbrc 394 . . . . . 6 ((((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ 𝑟 = (𝑠 +Q 𝑡)) → 𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩))
8382ex 108 . . . . 5 (((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) ∧ (𝑠 ∈ (2nd𝐿) ∧ 𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → (𝑟 = (𝑠 +Q 𝑡) → 𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩)))
8483rexlimdvva 2440 . . . 4 ((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → (∃𝑠 ∈ (2nd𝐿)∃𝑡 ∈ (2nd ‘⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)𝑟 = (𝑠 +Q 𝑡) → 𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩)))
8513, 84mpd 13 . . 3 ((𝜑𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩))) → 𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩))
8685ex 108 . 2 (𝜑 → (𝑟 ∈ (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) → 𝑟 ∈ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩)))
8786ssrdv 2951 1 (𝜑 → (2nd ‘(𝐿 +P ⟨{𝑙𝑙 <Q 𝑆}, {𝑢𝑆 <Q 𝑢}⟩)) ⊆ (2nd ‘⟨{𝑙Q ∣ ∃𝑞Q (𝑙 +Q 𝑞) <Q ((𝐹𝑞) +Q 𝑆)}, {𝑢Q ∣ ∃𝑞Q (((𝐹𝑞) +Q 𝑞) +Q 𝑆) <Q 𝑢}⟩))
 Colors of variables: wff set class Syntax hints:   → wi 4   ∧ wa 97   ↔ wb 98   ∧ w3a 885   = wceq 1243   ∈ wcel 1393  {cab 2026  ∀wral 2306  ∃wrex 2307  {crab 2310   ⊆ wss 2917  ⟨cop 3378   class class class wbr 3764  ⟶wf 4898  ‘cfv 4902  (class class class)co 5512  2nd c2nd 5766  Qcnq 6378   +Q cplq 6380
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