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Theorem distrlem4prl 7546
Description: Lemma for distributive law for positive reals. (Contributed by Jim Kingdon, 12-Dec-2019.)
Assertion
Ref Expression
distrlem4prl (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
Distinct variable groups:   𝑥,𝑦,𝑧,𝑓,𝐴   𝑥,𝐵,𝑦,𝑧,𝑓   𝑥,𝐶,𝑦,𝑧,𝑓

Proof of Theorem distrlem4prl
Dummy variables 𝑤 𝑣 𝑢 𝑔 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ltmnqg 7363 . . . . . . 7 ((𝑤Q𝑣Q𝑢Q) → (𝑤 <Q 𝑣 ↔ (𝑢 ·Q 𝑤) <Q (𝑢 ·Q 𝑣)))
21adantl 275 . . . . . 6 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ (𝑤Q𝑣Q𝑢Q)) → (𝑤 <Q 𝑣 ↔ (𝑢 ·Q 𝑤) <Q (𝑢 ·Q 𝑣)))
3 simp1 992 . . . . . . 7 ((𝐴P𝐵P𝐶P) → 𝐴P)
4 simpll 524 . . . . . . 7 (((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶))) → 𝑥 ∈ (1st𝐴))
5 prop 7437 . . . . . . . 8 (𝐴P → ⟨(1st𝐴), (2nd𝐴)⟩ ∈ P)
6 elprnql 7443 . . . . . . . 8 ((⟨(1st𝐴), (2nd𝐴)⟩ ∈ P𝑥 ∈ (1st𝐴)) → 𝑥Q)
75, 6sylan 281 . . . . . . 7 ((𝐴P𝑥 ∈ (1st𝐴)) → 𝑥Q)
83, 4, 7syl2an 287 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑥Q)
9 simprl 526 . . . . . . 7 (((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶))) → 𝑓 ∈ (1st𝐴))
10 elprnql 7443 . . . . . . . 8 ((⟨(1st𝐴), (2nd𝐴)⟩ ∈ P𝑓 ∈ (1st𝐴)) → 𝑓Q)
115, 10sylan 281 . . . . . . 7 ((𝐴P𝑓 ∈ (1st𝐴)) → 𝑓Q)
123, 9, 11syl2an 287 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑓Q)
13 simpl2 996 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝐵P)
14 simprlr 533 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑦 ∈ (1st𝐵))
15 prop 7437 . . . . . . . 8 (𝐵P → ⟨(1st𝐵), (2nd𝐵)⟩ ∈ P)
16 elprnql 7443 . . . . . . . 8 ((⟨(1st𝐵), (2nd𝐵)⟩ ∈ P𝑦 ∈ (1st𝐵)) → 𝑦Q)
1715, 16sylan 281 . . . . . . 7 ((𝐵P𝑦 ∈ (1st𝐵)) → 𝑦Q)
1813, 14, 17syl2anc 409 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑦Q)
19 mulcomnqg 7345 . . . . . . 7 ((𝑤Q𝑣Q) → (𝑤 ·Q 𝑣) = (𝑣 ·Q 𝑤))
2019adantl 275 . . . . . 6 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ (𝑤Q𝑣Q)) → (𝑤 ·Q 𝑣) = (𝑣 ·Q 𝑤))
212, 8, 12, 18, 20caovord2d 6022 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 <Q 𝑓 ↔ (𝑥 ·Q 𝑦) <Q (𝑓 ·Q 𝑦)))
22 ltanqg 7362 . . . . . . 7 ((𝑤Q𝑣Q𝑢Q) → (𝑤 <Q 𝑣 ↔ (𝑢 +Q 𝑤) <Q (𝑢 +Q 𝑣)))
2322adantl 275 . . . . . 6 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ (𝑤Q𝑣Q𝑢Q)) → (𝑤 <Q 𝑣 ↔ (𝑢 +Q 𝑤) <Q (𝑢 +Q 𝑣)))
24 mulclnq 7338 . . . . . . 7 ((𝑥Q𝑦Q) → (𝑥 ·Q 𝑦) ∈ Q)
258, 18, 24syl2anc 409 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 ·Q 𝑦) ∈ Q)
26 mulclnq 7338 . . . . . . 7 ((𝑓Q𝑦Q) → (𝑓 ·Q 𝑦) ∈ Q)
2712, 18, 26syl2anc 409 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 ·Q 𝑦) ∈ Q)
28 simpl3 997 . . . . . . . 8 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝐶P)
29 simprrr 535 . . . . . . . 8 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑧 ∈ (1st𝐶))
30 prop 7437 . . . . . . . . 9 (𝐶P → ⟨(1st𝐶), (2nd𝐶)⟩ ∈ P)
31 elprnql 7443 . . . . . . . . 9 ((⟨(1st𝐶), (2nd𝐶)⟩ ∈ P𝑧 ∈ (1st𝐶)) → 𝑧Q)
3230, 31sylan 281 . . . . . . . 8 ((𝐶P𝑧 ∈ (1st𝐶)) → 𝑧Q)
3328, 29, 32syl2anc 409 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑧Q)
34 mulclnq 7338 . . . . . . 7 ((𝑓Q𝑧Q) → (𝑓 ·Q 𝑧) ∈ Q)
3512, 33, 34syl2anc 409 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 ·Q 𝑧) ∈ Q)
36 addcomnqg 7343 . . . . . . 7 ((𝑤Q𝑣Q) → (𝑤 +Q 𝑣) = (𝑣 +Q 𝑤))
3736adantl 275 . . . . . 6 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ (𝑤Q𝑣Q)) → (𝑤 +Q 𝑣) = (𝑣 +Q 𝑤))
3823, 25, 27, 35, 37caovord2d 6022 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 ·Q 𝑦) <Q (𝑓 ·Q 𝑦) ↔ ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧))))
3921, 38bitrd 187 . . . 4 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 <Q 𝑓 ↔ ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧))))
40 simpl1 995 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝐴P)
41 addclpr 7499 . . . . . . . 8 ((𝐵P𝐶P) → (𝐵 +P 𝐶) ∈ P)
42413adant1 1010 . . . . . . 7 ((𝐴P𝐵P𝐶P) → (𝐵 +P 𝐶) ∈ P)
4342adantr 274 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝐵 +P 𝐶) ∈ P)
44 mulclpr 7534 . . . . . 6 ((𝐴P ∧ (𝐵 +P 𝐶) ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) ∈ P)
4540, 43, 44syl2anc 409 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝐴 ·P (𝐵 +P 𝐶)) ∈ P)
46 distrnqg 7349 . . . . . . 7 ((𝑓Q𝑦Q𝑧Q) → (𝑓 ·Q (𝑦 +Q 𝑧)) = ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)))
4712, 18, 33, 46syl3anc 1233 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 ·Q (𝑦 +Q 𝑧)) = ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)))
48 simprrl 534 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑓 ∈ (1st𝐴))
49 df-iplp 7430 . . . . . . . . . 10 +P = (𝑢P, 𝑣P ↦ ⟨{𝑤Q ∣ ∃𝑔QQ (𝑔 ∈ (1st𝑢) ∧ ∈ (1st𝑣) ∧ 𝑤 = (𝑔 +Q ))}, {𝑤Q ∣ ∃𝑔QQ (𝑔 ∈ (2nd𝑢) ∧ ∈ (2nd𝑣) ∧ 𝑤 = (𝑔 +Q ))}⟩)
50 addclnq 7337 . . . . . . . . . 10 ((𝑔QQ) → (𝑔 +Q ) ∈ Q)
5149, 50genpprecll 7476 . . . . . . . . 9 ((𝐵P𝐶P) → ((𝑦 ∈ (1st𝐵) ∧ 𝑧 ∈ (1st𝐶)) → (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶))))
5251imp 123 . . . . . . . 8 (((𝐵P𝐶P) ∧ (𝑦 ∈ (1st𝐵) ∧ 𝑧 ∈ (1st𝐶))) → (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶)))
5313, 28, 14, 29, 52syl22anc 1234 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶)))
54 df-imp 7431 . . . . . . . . 9 ·P = (𝑢P, 𝑣P ↦ ⟨{𝑤Q ∣ ∃𝑔QQ (𝑔 ∈ (1st𝑢) ∧ ∈ (1st𝑣) ∧ 𝑤 = (𝑔 ·Q ))}, {𝑤Q ∣ ∃𝑔QQ (𝑔 ∈ (2nd𝑢) ∧ ∈ (2nd𝑣) ∧ 𝑤 = (𝑔 ·Q ))}⟩)
55 mulclnq 7338 . . . . . . . . 9 ((𝑔QQ) → (𝑔 ·Q ) ∈ Q)
5654, 55genpprecll 7476 . . . . . . . 8 ((𝐴P ∧ (𝐵 +P 𝐶) ∈ P) → ((𝑓 ∈ (1st𝐴) ∧ (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶))) → (𝑓 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
5756imp 123 . . . . . . 7 (((𝐴P ∧ (𝐵 +P 𝐶) ∈ P) ∧ (𝑓 ∈ (1st𝐴) ∧ (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶)))) → (𝑓 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
5840, 43, 48, 53, 57syl22anc 1234 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
5947, 58eqeltrrd 2248 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
60 prop 7437 . . . . . 6 ((𝐴 ·P (𝐵 +P 𝐶)) ∈ P → ⟨(1st ‘(𝐴 ·P (𝐵 +P 𝐶))), (2nd ‘(𝐴 ·P (𝐵 +P 𝐶)))⟩ ∈ P)
61 prcdnql 7446 . . . . . 6 ((⟨(1st ‘(𝐴 ·P (𝐵 +P 𝐶))), (2nd ‘(𝐴 ·P (𝐵 +P 𝐶)))⟩ ∈ P ∧ ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
6260, 61sylan 281 . . . . 5 (((𝐴 ·P (𝐵 +P 𝐶)) ∈ P ∧ ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
6345, 59, 62syl2anc 409 . . . 4 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑓 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
6439, 63sylbid 149 . . 3 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 <Q 𝑓 → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
652, 12, 8, 33, 20caovord2d 6022 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 <Q 𝑥 ↔ (𝑓 ·Q 𝑧) <Q (𝑥 ·Q 𝑧)))
66 mulclnq 7338 . . . . . . 7 ((𝑥Q𝑧Q) → (𝑥 ·Q 𝑧) ∈ Q)
678, 33, 66syl2anc 409 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 ·Q 𝑧) ∈ Q)
68 ltanqg 7362 . . . . . 6 (((𝑓 ·Q 𝑧) ∈ Q ∧ (𝑥 ·Q 𝑧) ∈ Q ∧ (𝑥 ·Q 𝑦) ∈ Q) → ((𝑓 ·Q 𝑧) <Q (𝑥 ·Q 𝑧) ↔ ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧))))
6935, 67, 25, 68syl3anc 1233 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑓 ·Q 𝑧) <Q (𝑥 ·Q 𝑧) ↔ ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧))))
7065, 69bitrd 187 . . . 4 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 <Q 𝑥 ↔ ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧))))
71 distrnqg 7349 . . . . . . 7 ((𝑥Q𝑦Q𝑧Q) → (𝑥 ·Q (𝑦 +Q 𝑧)) = ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)))
728, 18, 33, 71syl3anc 1233 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 ·Q (𝑦 +Q 𝑧)) = ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)))
73 simprll 532 . . . . . . 7 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → 𝑥 ∈ (1st𝐴))
7454, 55genpprecll 7476 . . . . . . . 8 ((𝐴P ∧ (𝐵 +P 𝐶) ∈ P) → ((𝑥 ∈ (1st𝐴) ∧ (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶))) → (𝑥 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
7574imp 123 . . . . . . 7 (((𝐴P ∧ (𝐵 +P 𝐶) ∈ P) ∧ (𝑥 ∈ (1st𝐴) ∧ (𝑦 +Q 𝑧) ∈ (1st ‘(𝐵 +P 𝐶)))) → (𝑥 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
7640, 43, 73, 53, 75syl22anc 1234 . . . . . 6 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
7772, 76eqeltrrd 2248 . . . . 5 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
78 prcdnql 7446 . . . . . 6 ((⟨(1st ‘(𝐴 ·P (𝐵 +P 𝐶))), (2nd ‘(𝐴 ·P (𝐵 +P 𝐶)))⟩ ∈ P ∧ ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
7960, 78sylan 281 . . . . 5 (((𝐴 ·P (𝐵 +P 𝐶)) ∈ P ∧ ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
8045, 77, 79syl2anc 409 . . . 4 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) <Q ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
8170, 80sylbid 149 . . 3 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑓 <Q 𝑥 → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
8264, 81jaod 712 . 2 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 <Q 𝑓𝑓 <Q 𝑥) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
83 ltsonq 7360 . . . . 5 <Q Or Q
84 nqtri3or 7358 . . . . 5 ((𝑥Q𝑓Q) → (𝑥 <Q 𝑓𝑥 = 𝑓𝑓 <Q 𝑥))
8583, 84sotritrieq 4310 . . . 4 ((𝑥Q𝑓Q) → (𝑥 = 𝑓 ↔ ¬ (𝑥 <Q 𝑓𝑓 <Q 𝑥)))
868, 12, 85syl2anc 409 . . 3 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 = 𝑓 ↔ ¬ (𝑥 <Q 𝑓𝑓 <Q 𝑥)))
87 oveq1 5860 . . . . . . 7 (𝑥 = 𝑓 → (𝑥 ·Q 𝑧) = (𝑓 ·Q 𝑧))
8887oveq2d 5869 . . . . . 6 (𝑥 = 𝑓 → ((𝑥 ·Q 𝑦) +Q (𝑥 ·Q 𝑧)) = ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)))
8972, 88sylan9eq 2223 . . . . 5 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ 𝑥 = 𝑓) → (𝑥 ·Q (𝑦 +Q 𝑧)) = ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)))
9076adantr 274 . . . . 5 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ 𝑥 = 𝑓) → (𝑥 ·Q (𝑦 +Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
9189, 90eqeltrrd 2248 . . . 4 ((((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) ∧ 𝑥 = 𝑓) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
9291ex 114 . . 3 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (𝑥 = 𝑓 → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
9386, 92sylbird 169 . 2 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → (¬ (𝑥 <Q 𝑓𝑓 <Q 𝑥) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶)))))
94 ltdcnq 7359 . . . . 5 ((𝑥Q𝑓Q) → DECID 𝑥 <Q 𝑓)
95 ltdcnq 7359 . . . . . 6 ((𝑓Q𝑥Q) → DECID 𝑓 <Q 𝑥)
9695ancoms 266 . . . . 5 ((𝑥Q𝑓Q) → DECID 𝑓 <Q 𝑥)
97 dcor 930 . . . . 5 (DECID 𝑥 <Q 𝑓 → (DECID 𝑓 <Q 𝑥DECID (𝑥 <Q 𝑓𝑓 <Q 𝑥)))
9894, 96, 97sylc 62 . . . 4 ((𝑥Q𝑓Q) → DECID (𝑥 <Q 𝑓𝑓 <Q 𝑥))
998, 12, 98syl2anc 409 . . 3 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → DECID (𝑥 <Q 𝑓𝑓 <Q 𝑥))
100 df-dc 830 . . 3 (DECID (𝑥 <Q 𝑓𝑓 <Q 𝑥) ↔ ((𝑥 <Q 𝑓𝑓 <Q 𝑥) ∨ ¬ (𝑥 <Q 𝑓𝑓 <Q 𝑥)))
10199, 100sylib 121 . 2 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 <Q 𝑓𝑓 <Q 𝑥) ∨ ¬ (𝑥 <Q 𝑓𝑓 <Q 𝑥)))
10282, 93, 101mpjaod 713 1 (((𝐴P𝐵P𝐶P) ∧ ((𝑥 ∈ (1st𝐴) ∧ 𝑦 ∈ (1st𝐵)) ∧ (𝑓 ∈ (1st𝐴) ∧ 𝑧 ∈ (1st𝐶)))) → ((𝑥 ·Q 𝑦) +Q (𝑓 ·Q 𝑧)) ∈ (1st ‘(𝐴 ·P (𝐵 +P 𝐶))))
Colors of variables: wff set class
Syntax hints:  ¬ wn 3  wi 4  wa 103  wb 104  wo 703  DECID wdc 829  w3a 973   = wceq 1348  wcel 2141  cop 3586   class class class wbr 3989  cfv 5198  (class class class)co 5853  1st c1st 6117  2nd c2nd 6118  Qcnq 7242   +Q cplq 7244   ·Q cmq 7245   <Q cltq 7247  Pcnp 7253   +P cpp 7255   ·P cmp 7256
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4104  ax-sep 4107  ax-nul 4115  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-iinf 4572
This theorem depends on definitions:  df-bi 116  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-ral 2453  df-rex 2454  df-reu 2455  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-iun 3875  df-br 3990  df-opab 4051  df-mpt 4052  df-tr 4088  df-eprel 4274  df-id 4278  df-po 4281  df-iso 4282  df-iord 4351  df-on 4353  df-suc 4356  df-iom 4575  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-ov 5856  df-oprab 5857  df-mpo 5858  df-1st 6119  df-2nd 6120  df-recs 6284  df-irdg 6349  df-1o 6395  df-2o 6396  df-oadd 6399  df-omul 6400  df-er 6513  df-ec 6515  df-qs 6519  df-ni 7266  df-pli 7267  df-mi 7268  df-lti 7269  df-plpq 7306  df-mpq 7307  df-enq 7309  df-nqqs 7310  df-plqqs 7311  df-mqqs 7312  df-1nqqs 7313  df-rq 7314  df-ltnqqs 7315  df-enq0 7386  df-nq0 7387  df-0nq0 7388  df-plq0 7389  df-mq0 7390  df-inp 7428  df-iplp 7430  df-imp 7431
This theorem is referenced by:  distrlem5prl  7548
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