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Theorem osumlem4 5533
Description: Lemma for osum 5538.
Hypotheses
Ref Expression
osumlem4.1 |- A e. CH
osumlem4.2 |- B e. CH
osumlem4.3 |- B (_ (_|_` A)
osumlem4.4 |- G e. V
osumlem4.5 |- H e. V
Assertion
Ref Expression
osumlem4 |- ((((F:NN-->A /\ G:NN-->B) /\ A.w e. NN (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> (H ~~>v z -> G ~~>v y))
Distinct variable group(s):   w,A   w,B   w,F   w,G   w,H   x,w   y,w   z,w

Proof of Theorem osumlem4
StepHypRef Expression
1 osumlem4.2 . . . . . . . 8 |- B e. CH
21chssi 5136 . . . . . . 7 |- B (_ H~
3 fss 2759 . . . . . . 7 |- ((G:NN-->B /\ B (_ H~) -> G:NN-->H~)
42, 3mpan2 519 . . . . . 6 |- (G:NN-->B -> G:NN-->H~)
54ad2antlr 321 . . . . 5 |- (((F:NN-->A /\ G:NN-->B) /\ A.w e. NN (H` w) = ((F` w) +v (G` w))) -> G:NN-->H~)
6 osumlem4.1 . . . . . . . . 9 |- A e. CH
76chshi 5132 . . . . . . . 8 |- A e. SH
8 shocss 5167 . . . . . . . 8 |- (A e. SH -> (_|_` A) (_ H~)
97, 8ax-mp 6 . . . . . . 7 |- (_|_` A) (_ H~
109sseli 1504 . . . . . 6 |- (y e. (_|_`
A) -> y e. H~)
1110ad2antlr 321 . . . . 5 |- (((x e. A /\ y e. (_|_` A)) /\ z = (x +v y)) -> y e. H~)
125, 11anim12i 268 . . . 4 |- ((((F:NN-->A /\ G:NN-->B) /\ A.w e. NN (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> (G:NN-->H~ /\ y e. H~))
1312a1d 14 . . 3 |- ((((F:NN-->A /\ G:NN-->B) /\ A.w e. NN (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> (H ~~>v z -> (G:NN-->H~ /\ y e. H~)))
14 ffvrn 2890 . . . . . . . . . . . . . . . . . . 19 |- ((F:NN-->A /\ w e. NN) -> (F` w) e. A)
1514exp 291 . . . . . . . . . . . . . . . . . 18 |- (F:NN-->A -> (w e. NN -> (F` w) e. A))
1615com12 13 . . . . . . . . . . . . . . . . 17 |- (w e. NN -> (F:NN-->A -> (F` w) e. A))
17 ffvrn 2890 . . . . . . . . . . . . . . . . . . 19 |- ((G:NN-->B /\ w e. NN) -> (G` w) e. B)
1817exp 291 . . . . . . . . . . . . . . . . . 18 |- (G:NN-->B -> (w e. NN -> (G` w) e. B))
1918com12 13 . . . . . . . . . . . . . . . . 17 |- (w e. NN -> (G:NN-->B -> (G` w) e. B))
2016, 19anim12d 431 . . . . . . . . . . . . . . . 16 |- (w e. NN -> ((F:NN-->A /\ G:NN-->B) -> ((F` w) e. A /\ (G` w) e. B)))
21 osumlem4.3 . . . . . . . . . . . . . . . . . . . . 21 |- B (_ (_|_` A)
22 pm4.2 148 . . . . . . . . . . . . . . . . . . . . 21 |- (((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) <-> ((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))))
236, 1, 21, 22osumlem3 5532 . . . . . . . . . . . . . . . . . . . 20 |- (((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> (norm` ((G` w) -v y)) <_ (norm`
((H` w) -v z)))
2423adantr 306 . . . . . . . . . . . . . . . . . . 19 |- ((((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) /\ u e. RR) -> (norm` ((G` w) -v y)) <_ (norm` ((H` w) -v z)))
256, 1, 21, 22osumlem1 5530 . . . . . . . . . . . . . . . . . . . . 21 |- (((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> ((((F` w) e. H~ /\ (G` w) e. H~) /\ (H` w) e. H~) /\ ((x e. H~ /\ y e. H~) /\ z e. H~)))
26 lelttrt 4289 . . . . . . . . . . . . . . . . . . . . . . 23 |- (((norm` ((G` w) -v y)) e. RR /\ (norm` ((H` w) -v z)) e. RR /\ u e. RR) -> (((norm` ((G` w) -v y)) <_ (norm`
((H` w) -v z)) /\ (norm` ((H` w) -v z)) < u) -> (norm` ((G` w) -v y)) < u))
27263exp 611 . . . . . . . . . . . . . . . . . . . . . 22 |- ((norm` ((G` w) -v y)) e. RR -> ((norm` ((H` w) -v z)) e. RR -> (u e. RR -> (((norm` ((G` w) -v y)) <_ (norm`
((H` w) -v z)) /\ (norm` ((H` w) -v z)) < u) -> (norm` ((G` w) -v y)) < u))))
28 hvsubclt 4998 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 |- (((G` w) e. H~ /\ y e. H~) -> ((G` w) -v y) e. H~)
29 normclt 5076 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 |- (((G` w) -v y) e. H~ -> (norm` ((G` w) -v y)) e. RR)
3028, 29syl 12 . . . . . . . . . . . . . . . . . . . . . . . . . 26 |- (((G` w) e. H~ /\ y e. H~) -> (norm` ((G` w) -v y)) e. RR)
3130adantrl 311 . . . . . . . . . . . . . . . . . . . . . . . . 25 |- (((G` w) e. H~ /\ (x e. H~ /\ y e. H~)) -> (norm` ((G` w) -v y)) e. RR)
3231adantll 309 . . . . . . . . . . . . . . . . . . . . . . . 24 |- ((((F` w) e. H~ /\ (G` w) e. H~) /\ (x e. H~ /\ y e. H~)) -> (norm`
((G` w) -v y)) e. RR)
3332adantrr 312 . . . . . . . . . . . . . . . . . . . . . . 23 |- ((((F` w) e. H~ /\ (G` w) e. H~) /\ ((x e. H~ /\ y e. H~) /\ z e. H~)) -> (norm` ((G` w) -v y)) e. RR)
3433adantlr 310 . . . . . . . . . . . . . . . . . . . . . 22 |- (((((F` w) e. H~ /\ (G` w) e. H~) /\ (H` w) e. H~) /\ ((x e. H~ /\ y e. H~) /\ z e. H~)) -> (norm` ((G` w) -v y)) e. RR)
35 hvsubclt 4998 . . . . . . . . . . . . . . . . . . . . . . . . 25 |- (((H` w) e. H~ /\ z e. H~) -> ((H` w) -v z) e. H~)
36 normclt 5076 . . . . . . . . . . . . . . . . . . . . . . . . 25 |- (((H` w) -v z) e. H~ -> (norm` ((H` w) -v z)) e. RR)
3735, 36syl 12 . . . . . . . . . . . . . . . . . . . . . . . 24 |- (((H` w) e. H~ /\ z e. H~) -> (norm` ((H` w) -v z)) e. RR)
3837adantrl 311 . . . . . . . . . . . . . . . . . . . . . . 23 |- (((H` w) e. H~ /\ ((x e. H~ /\ y e. H~) /\ z e. H~)) -> (norm` ((H` w) -v z)) e. RR)
3938adantll 309 . . . . . . . . . . . . . . . . . . . . . 22 |- (((((F` w) e. H~ /\ (G` w) e. H~) /\ (H` w) e. H~) /\ ((x e. H~ /\ y e. H~) /\ z e. H~)) -> (norm` ((H` w) -v z)) e. RR)
4027, 34, 39sylc 62 . . . . . . . . . . . . . . . . . . . . 21 |- (((((F` w) e. H~ /\ (G` w) e. H~) /\ (H` w) e. H~) /\ ((x e. H~ /\ y e. H~) /\ z e. H~)) -> (u e. RR -> (((norm` ((G` w) -v y)) <_ (norm` ((H` w) -v z)) /\ (norm` ((H` w) -v z)) < u) -> (norm` ((G` w) -v y)) < u)))
4125, 40syl 12 . . . . . . . . . . . . . . . . . . . 20 |- (((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) -> (u e. RR -> (((norm` ((G` w) -v y)) <_ (norm` ((H` w) -v z)) /\ (norm` ((H` w) -v z)) < u) -> (norm` ((G` w) -v y)) < u)))
4241imp 277 . . . . . . . . . . . . . . . . . . 19 |- ((((((F` w) e. A /\ (G` w) e. B) /\ (H` w) = ((F` w) +v (G` w))) /\ ((x e. A /\ y e. (_|_` A)) /\ z = (x +v y))) /\ u e. RR) -> (((norm` ((G