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Theorem distrlem5pr 3925
Description: Lemma for distributive law for positive reals.
Assertion
Ref Expression
distrlem5pr ((AP ∧ (BPCP)) → ((A ·P B) +P (A ·P C)) ⊆ (A ·P (B +P C)))

Proof of Theorem distrlem5pr
StepHypRef Expression
1 df-plp 3882 . . . . . . 7 +P = {⟨⟨x, y⟩, z⟩∣((xPyP) ∧ z = {f∣∃gxhy f = (g +Q h)})}
2 visset 1350 . . . . . . 7 wV
31, 2genpelv 3897 . . . . . 6 (((A ·P B) ∈ P ∧ (A ·P C) ∈ P) → (w ∈ ((A ·P B) +P (A ·P C)) ↔ ∃vu((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u))))
4 mulclpr 3916 . . . . . 6 ((APBP) → (A ·P B) ∈ P)
5 mulclpr 3916 . . . . . 6 ((APCP) → (A ·P C) ∈ P)
63, 4, 5syl2an 349 . . . . 5 (((APBP) ∧ (APCP)) → (w ∈ ((A ·P B) +P (A ·P C)) ↔ ∃vu((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u))))
7 df-mp 3883 . . . . . . . . . . . 12 ·P = {⟨⟨w, v⟩, u⟩∣((wPvP) ∧ u = {f∣∃gwhv f = (g ·Q h)})}
8 visset 1350 . . . . . . . . . . . 12 vV
97, 8genpelv 3897 . . . . . . . . . . 11 ((APBP) → (v ∈ (A ·P B) ↔ ∃xy((xAyB) ∧ v = (x ·Q y))))
10 df-mp 3883 . . . . . . . . . . . 12 ·P = {⟨⟨w, v⟩, u⟩∣((wPvP) ∧ u = {x∣∃gwhv x = (g ·Q h)})}
11 visset 1350 . . . . . . . . . . . 12 uV
1210, 11genpelv 3897 . . . . . . . . . . 11 ((APCP) → (u ∈ (A ·P C) ↔ ∃fz((fAzC) ∧ u = (f ·Q z))))
139, 12bi2anan9 478 . . . . . . . . . 10 (((APBP) ∧ (APCP)) → ((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ↔ (∃xy((xAyB) ∧ v = (x ·Q y)) ∧ ∃fz((fAzC) ∧ u = (f ·Q z)))))
14 ee4anv 982 . . . . . . . . . 10 (∃xyfz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ↔ (∃xy((xAyB) ∧ v = (x ·Q y)) ∧ ∃fz((fAzC) ∧ u = (f ·Q z))))
1513, 14syl6bbr 416 . . . . . . . . 9 (((APBP) ∧ (APCP)) → ((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ↔ ∃xyfz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z)))))
1615anbi1d 469 . . . . . . . 8 (((APBP) ∧ (APCP)) → (((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u)) ↔ (∃xyfz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u))))
17 19.41vv 964 . . . . . . . . . 10 (∃fz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ (∃fz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
1817bi2ex 734 . . . . . . . . 9 (∃xyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃xy(∃fz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
19 19.41vv 964 . . . . . . . . 9 (∃xy(∃fz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ (∃xyfz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
2018, 19bitr 151 . . . . . . . 8 (∃xyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ (∃xyfz(((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
2116, 20syl6bbr 416 . . . . . . 7 (((APBP) ∧ (APCP)) → (((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u)) ↔ ∃xyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u))))
2221bi2exdv 938 . . . . . 6 (((APBP) ∧ (APCP)) → (∃vu((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u)) ↔ ∃vuxyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u))))
23 exrot4 778 . . . . . . 7 (∃vuxyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃xyvufz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
24 exrot4 778 . . . . . . . . 9 (∃vufz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃fzvu((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
25 19.42vv 968 . . . . . . . . . . 11 (∃vu(((xAfA) ∧ (yBzC)) ∧ ((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))) ↔ (((xAfA) ∧ (yBzC)) ∧ ∃vu((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))))
26 anass 336 . . . . . . . . . . . . 13 (((((xAfA) ∧ (yBzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ (((xAfA) ∧ (yBzC)) ∧ ((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))))
27 an4 388 . . . . . . . . . . . . . . . 16 (((xAfA) ∧ (yBzC)) ↔ ((xAyB) ∧ (fAzC)))
2827anbi1i 368 . . . . . . . . . . . . . . 15 ((((xAfA) ∧ (yBzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))) ↔ (((xAyB) ∧ (fAzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))))
29 an4 388 . . . . . . . . . . . . . . 15 ((((xAyB) ∧ (fAzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))) ↔ (((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))))
3028, 29bitr 151 . . . . . . . . . . . . . 14 ((((xAfA) ∧ (yBzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))) ↔ (((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))))
3130anbi1i 368 . . . . . . . . . . . . 13 (((((xAfA) ∧ (yBzC)) ∧ (v = (x ·Q y) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
3226, 31bitr3 153 . . . . . . . . . . . 12 ((((xAfA) ∧ (yBzC)) ∧ ((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))) ↔ ((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
3332bi2ex 734 . . . . . . . . . . 11 (∃vu(((xAfA) ∧ (yBzC)) ∧ ((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))) ↔ ∃vu((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)))
34 oprex 3018 . . . . . . . . . . . . 13 (x ·Q y) ∈ V
35 oprex 3018 . . . . . . . . . . . . 13 (f ·Q z) ∈ V
36 id 9 . . . . . . . . . . . . . 14 ((v = (x ·Q y) ∧ u = (f ·Q z)) → (v = (x ·Q y) ∧ u = (f ·Q z)))
37 opreq12 3008 . . . . . . . . . . . . . . 15 ((v = (x ·Q y) ∧ u = (f ·Q z)) → (v +Q u) = ((x ·Q y) +Q (f ·Q z)))
3837cleq2d 1112 . . . . . . . . . . . . . 14 ((v = (x ·Q y) ∧ u = (f ·Q z)) → (w = (v +Q u) ↔ w = ((x ·Q y) +Q (f ·Q z))))
3936, 38cgsex2g 1368 . . . . . . . . . . . . 13 (((x ·Q y) ∈ V ∧ (f ·Q z) ∈ V) → (∃vu((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u)) ↔ w = ((x ·Q y) +Q (f ·Q z))))
4034, 35, 39mp2an 520 . . . . . . . . . . . 12 (∃vu((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u)) ↔ w = ((x ·Q y) +Q (f ·Q z)))
4140anbi2i 367 . . . . . . . . . . 11 ((((xAfA) ∧ (yBzC)) ∧ ∃vu((v = (x ·Q y) ∧ u = (f ·Q z)) ∧ w = (v +Q u))) ↔ (((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4225, 33, 413bitr3 156 . . . . . . . . . 10 (∃vu((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ (((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4342bi2ex 734 . . . . . . . . 9 (∃fzvu((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃fz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4424, 43bitr 151 . . . . . . . 8 (∃vufz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃fz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4544bi2ex 734 . . . . . . 7 (∃xyvufz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4623, 45bitr 151 . . . . . 6 (∃vuxyfz((((xAyB) ∧ v = (x ·Q y)) ∧ ((fAzC) ∧ u = (f ·Q z))) ∧ w = (v +Q u)) ↔ ∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))))
4722, 46syl6bb 414 . . . . 5 (((APBP) ∧ (APCP)) → (∃vu((v ∈ (A ·P B) ∧ u ∈ (A ·P C)) ∧ w = (v +Q u)) ↔ ∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z)))))
486, 47bitrd 406 . . . 4 (((APBP) ∧ (APCP)) → (w ∈ ((A ·P B) +P (A ·P C)) ↔ ∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z)))))
4948anandis 394 . . 3 ((AP ∧ (BPCP)) → (w ∈ ((A ·P B) +P (A ·P C)) ↔ ∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z)))))
50 eleq1 1149 . . . . . . . . 9 (w = ((x ·Q y) +Q (f ·Q z)) → (w ∈ (A ·P (B +P C)) ↔ ((x ·Q y) +Q (f ·Q z)) ∈ (A ·P (B +P C))))
51 distrlem4pr 3924 . . . . . . . . 9 (((AP ∧ (BPCP)) ∧ ((xAfA) ∧ (yBzC))) → ((x ·Q y) +Q (f ·Q z)) ∈ (A ·P (B +P C)))
5250, 51syl5bir 184 . . . . . . . 8 (w = ((x ·Q y) +Q (f ·Q z)) → (((AP ∧ (BPCP)) ∧ ((xAfA) ∧ (yBzC))) → w ∈ (A ·P (B +P C))))
5352com12 13 . . . . . . 7 (((AP ∧ (BPCP)) ∧ ((xAfA) ∧ (yBzC))) → (w = ((x ·Q y) +Q (f ·Q z)) → w ∈ (A ·P (B +P C))))
5453exp 291 . . . . . 6 ((AP ∧ (BPCP)) → (((xAfA) ∧ (yBzC)) → (w = ((x ·Q y) +Q (f ·Q z)) → w ∈ (A ·P (B +P C)))))
5554imp3a 279 . . . . 5 ((AP ∧ (BPCP)) → ((((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))) → w ∈ (A ·P (B +P C))))
565519.23advv 955 . . . 4 ((AP ∧ (BPCP)) → (∃fz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))) → w ∈ (A ·P (B +P C))))
575619.23advv 955 . . 3 ((AP ∧ (BPCP)) → (∃xyfz(((xAfA) ∧ (yBzC)) ∧ w = ((x ·Q y) +Q (f ·Q z))) → w ∈ (A ·P (B +P C))))
5849, 57sylbid 178 . 2 ((AP ∧ (BPCP)) → (w ∈ ((A ·P B) +P (A ·P C)) → w ∈ (A ·P (B +P C))))
5958ssrdv 1509 1 ((AP ∧ (BPCP)) → ((A ·P B) +P (A ·P C)) ⊆ (A ·P (B +P C)))
Colors of variables: wff set class
Syntax hints:   → wi 2   ↔ wb 127   ∧ wa 196  ∃wex 678   = wceq 1091   ∈ wcel 1092  Vcvv 1348   ⊆ wss 1487  (class class class)co 3001   +Q cplq 3775   ·Q cmq 3776  Pcnp 3779   +P cpp 3781   ·P cmp 3782
This theorem is referenced by:  distrpr 3926
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6  ax-4 673  ax-5 674  ax-6 675  ax-7 676  ax-gen 677  ax-8 798  ax-9 799  ax-10 800  ax-11 801  ax-12 802  ax-13 804  ax-14 805  ax-16 922  ax-17 925  ax-ext 1074  ax-rep 1075  ax-un 1076  ax-pow 1077  ax-reg 1078  ax-inf 1079
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-3or 582  df-3an 583  df-ex 679  df-sb 853  df-eu 1009  df-mo 1010  df-clab 1093  df-cleq 1097  df-clel 1099  df-ne 1192  df-ral 1205  df-rex 1206  df-reu 1207  df-rab 1208  df-v 1349  df-sbc 1441  df-dif 1489  df-un 1490  df-in 1491  df-ss 1492  df-pss 1494  df-nul 1708  df-if 1777  df-pw 1799  df-sn 1811  df-pr 1812  df-tp 1814  df-op 1815  df-uni 1920  df-int 1966  df-iun 1996  df-tr 2042  df-br 2063  df-opab 2098  df-eprel 2122  df-id 2125  df-po 2128  df-so 2138  df-fr 2169  df-we 2186  df-ord 2202  df-on 2203  df-lim 2204  df-suc 2205  df-om 2373  df-xp 2424  df-rel 2425  df-cnv 2426  df-co 2427  df-dm 2428  df-rn 2429  df-res 2430  df-ima 2431  df-fun 2432  df-fn 2433  df-f 2434  df-f1 2435  df-fv 2438  df-rdg 2970  df-opr 3003  df-oprab 3004  df-1o 3104  df-oadd 3106  df-omul 3107  df-er 3200  df-ec 3202  df-qs 3205  df-ni 3794  df-pli 3795  df-mi 3796  df-lti 3797  df-plpq 3829  df-mpq 3830  df-enq 3831  df-nq 3832  df-plq 3833  df-mq 3834  df-rq 3835  df-ltq 3836  df-1q 3837  df-np 3880  df-plp 3882  df-mp 3883
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